-16.29% is the change from 970 to 812
Calculation steps:
[( 812 - 970 ) ÷ 970] x 100 = -16.29%
Formula
Percentage change = [(812 - 970) / 970] x 100
Subtract the new number by the original number
812 - 970 = -158
-158 ÷ 970 = -0.16288659793814433
-0.16288659793814433 x 100 = -16.29%