-88.22% is the change from 730 to 86
Calculation steps:
[( 86 - 730 ) ÷ 730] x 100 = -88.22%
Formula
Percentage change = [(86 - 730) / 730] x 100
Subtract the new number by the original number
86 - 730 = -644
-644 ÷ 730 = -0.8821917808219178
-0.8821917808219178 x 100 = -88.22%