-30.45% is the change from 775 to 539
Calculation steps:
[( 539 - 775 ) ÷ 775] x 100 = -30.45%
Formula
Percentage change = [(539 - 775) / 775] x 100
Subtract the new number by the original number
539 - 775 = -236
-236 ÷ 775 = -0.30451612903225805
-0.30451612903225805 x 100 = -30.45%