-7.01% is the change from 970 to 902
Calculation steps:
[( 902 - 970 ) ÷ 970] x 100 = -7.01%
Formula
Percentage change = [(902 - 970) / 970] x 100
Subtract the new number by the original number
902 - 970 = -68
-68 ÷ 970 = -0.07010309278350516
-0.07010309278350516 x 100 = -7.01%