-86.9% is the change from 672 to 88
Calculation steps:
[( 88 - 672 ) ÷ 672] x 100 = -86.9%
Formula
Percentage change = [(88 - 672) / 672] x 100
Subtract the new number by the original number
88 - 672 = -584
-584 ÷ 672 = -0.8690476190476191
-0.8690476190476191 x 100 = -86.9%