-40.45% is the change from 969 to 577
Calculation steps:
[( 577 - 969 ) ÷ 969] x 100 = -40.45%
Formula
Percentage change = [(577 - 969) / 969] x 100
Subtract the new number by the original number
577 - 969 = -392
-392 ÷ 969 = -0.40454076367389064
-0.40454076367389064 x 100 = -40.45%