-27.27% is the change from 715 to 520
Calculation steps:
[( 520 - 715 ) ÷ 715] x 100 = -27.27%
Formula
Percentage change = [(520 - 715) / 715] x 100
Subtract the new number by the original number
520 - 715 = -195
-195 ÷ 715 = -0.2727272727272727
-0.2727272727272727 x 100 = -27.27%