-30.32% is the change from 775 to 540
Calculation steps:
[( 540 - 775 ) ÷ 775] x 100 = -30.32%
Formula
Percentage change = [(540 - 775) / 775] x 100
Subtract the new number by the original number
540 - 775 = -235
-235 ÷ 775 = -0.3032258064516129
-0.3032258064516129 x 100 = -30.32%