-86.05% is the change from 631 to 88
Calculation steps:
[( 88 - 631 ) ÷ 631] x 100 = -86.05%
Formula
Percentage change = [(88 - 631) / 631] x 100
Subtract the new number by the original number
88 - 631 = -543
-543 ÷ 631 = -0.8605388272583201
-0.8605388272583201 x 100 = -86.05%