-31.48% is the change from 775 to 531
Calculation steps:
[( 531 - 775 ) ÷ 775] x 100 = -31.48%
Formula
Percentage change = [(531 - 775) / 775] x 100
Subtract the new number by the original number
531 - 775 = -244
-244 ÷ 775 = -0.31483870967741934
-0.31483870967741934 x 100 = -31.48%