-81.12% is the change from 715 to 135
Calculation steps:
[( 135 - 715 ) ÷ 715] x 100 = -81.12%
Formula
Percentage change = [(135 - 715) / 715] x 100
Subtract the new number by the original number
135 - 715 = -580
-580 ÷ 715 = -0.8111888111888111
-0.8111888111888111 x 100 = -81.12%