-35.48% is the change from 775 to 500
Calculation steps:
[( 500 - 775 ) ÷ 775] x 100 = -35.48%
Formula
Percentage change = [(500 - 775) / 775] x 100
Subtract the new number by the original number
500 - 775 = -275
-275 ÷ 775 = -0.3548387096774194
-0.3548387096774194 x 100 = -35.48%