-8.45% is the change from 970 to 888
Calculation steps:
[( 888 - 970 ) ÷ 970] x 100 = -8.45%
Formula
Percentage change = [(888 - 970) / 970] x 100
Subtract the new number by the original number
888 - 970 = -82
-82 ÷ 970 = -0.08453608247422681
-0.08453608247422681 x 100 = -8.45%