-39.73% is the change from 964 to 581
Calculation steps:
[( 581 - 964 ) ÷ 964] x 100 = -39.73%
Formula
Percentage change = [(581 - 964) / 964] x 100
Subtract the new number by the original number
581 - 964 = -383
-383 ÷ 964 = -0.39730290456431533
-0.39730290456431533 x 100 = -39.73%