-87.13% is the change from 684 to 88
Calculation steps:
[( 88 - 684 ) ÷ 684] x 100 = -87.13%
Formula
Percentage change = [(88 - 684) / 684] x 100
Subtract the new number by the original number
88 - 684 = -596
-596 ÷ 684 = -0.8713450292397661
-0.8713450292397661 x 100 = -87.13%