-65.34% is the change from 251 to 87
Calculation steps:
[( 87 - 251 ) ÷ 251] x 100 = -65.34%
Formula
Percentage change = [(87 - 251) / 251] x 100
Subtract the new number by the original number
87 - 251 = -164
-164 ÷ 251 = -0.6533864541832669
-0.6533864541832669 x 100 = -65.34%