-78.04% is the change from 715 to 157
Calculation steps:
[( 157 - 715 ) ÷ 715] x 100 = -78.04%
Formula
Percentage change = [(157 - 715) / 715] x 100
Subtract the new number by the original number
157 - 715 = -558
-558 ÷ 715 = -0.7804195804195804
-0.7804195804195804 x 100 = -78.04%