-39.07% is the change from 970 to 591
Calculation steps:
[( 591 - 970 ) ÷ 970] x 100 = -39.07%
Formula
Percentage change = [(591 - 970) / 970] x 100
Subtract the new number by the original number
591 - 970 = -379
-379 ÷ 970 = -0.3907216494845361
-0.3907216494845361 x 100 = -39.07%