-86.48% is the change from 651 to 88
Calculation steps:
[( 88 - 651 ) ÷ 651] x 100 = -86.48%
Formula
Percentage change = [(88 - 651) / 651] x 100
Subtract the new number by the original number
88 - 651 = -563
-563 ÷ 651 = -0.8648233486943164
-0.8648233486943164 x 100 = -86.48%