-87.33% is the change from 718 to 91
Calculation steps:
[( 91 - 718 ) ÷ 718] x 100 = -87.33%
Formula
Percentage change = [(91 - 718) / 718] x 100
Subtract the new number by the original number
91 - 718 = -627
-627 ÷ 718 = -0.8732590529247911
-0.8732590529247911 x 100 = -87.33%