-31.82% is the change from 770 to 525
Calculation steps:
[( 525 - 770 ) ÷ 770] x 100 = -31.82%
Formula
Percentage change = [(525 - 770) / 770] x 100
Subtract the new number by the original number
525 - 770 = -245
-245 ÷ 770 = -0.3181818181818182
-0.3181818181818182 x 100 = -31.82%