-74.49% is the change from 341 to 87
Calculation steps:
[( 87 - 341 ) ÷ 341] x 100 = -74.49%
Formula
Percentage change = [(87 - 341) / 341] x 100
Subtract the new number by the original number
87 - 341 = -254
-254 ÷ 341 = -0.7448680351906158
-0.7448680351906158 x 100 = -74.49%