-36.93% is the change from 972 to 613
Calculation steps:
[( 613 - 972 ) ÷ 972] x 100 = -36.93%
Formula
Percentage change = [(613 - 972) / 972] x 100
Subtract the new number by the original number
613 - 972 = -359
-359 ÷ 972 = -0.36934156378600824
-0.36934156378600824 x 100 = -36.93%