-27.59% is the change from 87 to 63
Calculation steps:
[( 63 - 87 ) ÷ 87] x 100 = -27.59%
Formula
Percentage change = [(63 - 87) / 87] x 100
Subtract the new number by the original number
63 - 87 = -24
-24 ÷ 87 = -0.27586206896551724
-0.27586206896551724 x 100 = -27.59%