-87.23% is the change from 689 to 88
Calculation steps:
[( 88 - 689 ) ÷ 689] x 100 = -87.23%
Formula
Percentage change = [(88 - 689) / 689] x 100
Subtract the new number by the original number
88 - 689 = -601
-601 ÷ 689 = -0.872278664731495
-0.872278664731495 x 100 = -87.23%