-40.15% is the change from 964 to 577
Calculation steps:
[( 577 - 964 ) ÷ 964] x 100 = -40.15%
Formula
Percentage change = [(577 - 964) / 964] x 100
Subtract the new number by the original number
577 - 964 = -387
-387 ÷ 964 = -0.40145228215767637
-0.40145228215767637 x 100 = -40.15%