-88.11% is the change from 715 to 85
Calculation steps:
[( 85 - 715 ) ÷ 715] x 100 = -88.11%
Formula
Percentage change = [(85 - 715) / 715] x 100
Subtract the new number by the original number
85 - 715 = -630
-630 ÷ 715 = -0.8811188811188811
-0.8811188811188811 x 100 = -88.11%