-30.5% is the change from 764 to 531
Calculation steps:
[( 531 - 764 ) ÷ 764] x 100 = -30.5%
Formula
Percentage change = [(531 - 764) / 764] x 100
Subtract the new number by the original number
531 - 764 = -233
-233 ÷ 764 = -0.30497382198952877
-0.30497382198952877 x 100 = -30.5%