-84.33% is the change from 970 to 152
Calculation steps:
[( 152 - 970 ) ÷ 970] x 100 = -84.33%
Formula
Percentage change = [(152 - 970) / 970] x 100
Subtract the new number by the original number
152 - 970 = -818
-818 ÷ 970 = -0.843298969072165
-0.843298969072165 x 100 = -84.33%