-60.63% is the change from 221 to 87
Calculation steps:
[( 87 - 221 ) ÷ 221] x 100 = -60.63%
Formula
Percentage change = [(87 - 221) / 221] x 100
Subtract the new number by the original number
87 - 221 = -134
-134 ÷ 221 = -0.6063348416289592
-0.6063348416289592 x 100 = -60.63%