-65.06% is the change from 249 to 87
Calculation steps:
[( 87 - 249 ) ÷ 249] x 100 = -65.06%
Formula
Percentage change = [(87 - 249) / 249] x 100
Subtract the new number by the original number
87 - 249 = -162
-162 ÷ 249 = -0.6506024096385542
-0.6506024096385542 x 100 = -65.06%