-87.35% is the change from 688 to 87
Calculation steps:
[( 87 - 688 ) ÷ 688] x 100 = -87.35%
Formula
Percentage change = [(87 - 688) / 688] x 100
Subtract the new number by the original number
87 - 688 = -601
-601 ÷ 688 = -0.873546511627907
-0.873546511627907 x 100 = -87.35%