-20.1% is the change from 970 to 775
Calculation steps:
[( 775 - 970 ) ÷ 970] x 100 = -20.1%
Formula
Percentage change = [(775 - 970) / 970] x 100
Subtract the new number by the original number
775 - 970 = -195
-195 ÷ 970 = -0.20103092783505155
-0.20103092783505155 x 100 = -20.1%