-31.58% is the change from 760 to 520
Calculation steps:
[( 520 - 760 ) ÷ 760] x 100 = -31.58%
Formula
Percentage change = [(520 - 760) / 760] x 100
Subtract the new number by the original number
520 - 760 = -240
-240 ÷ 760 = -0.3157894736842105
-0.3157894736842105 x 100 = -31.58%