You can adjust the chart scale by accessing ‘Properties for Value axis’ in the Presentation properties’ group box by clicking on the y-axis. Here, the Scale section is where you can modify the scaling. You can define the Display range and Step length. Reverse the scale and Logarithmic scaling are also available options.
Click on the More button to access further options: Scaling where you can choose in which scale the y-axis will be presented and Decimals which modifies decimal places.