-86.46% is the change from 650 to 88
Calculation steps:
[( 88 - 650 ) ÷ 650] x 100 = -86.46%
Formula
Percentage change = [(88 - 650) / 650] x 100
Subtract the new number by the original number
88 - 650 = -562
-562 ÷ 650 = -0.8646153846153846
-0.8646153846153846 x 100 = -86.46%