-31.87% is the change from 775 to 528
Calculation steps:
[( 528 - 775 ) ÷ 775] x 100 = -31.87%
Formula
Percentage change = [(528 - 775) / 775] x 100
Subtract the new number by the original number
528 - 775 = -247
-247 ÷ 775 = -0.31870967741935485
-0.31870967741935485 x 100 = -31.87%