-67.05% is the change from 261 to 86
Calculation steps:
[( 86 - 261 ) ÷ 261] x 100 = -67.05%
Formula
Percentage change = [(86 - 261) / 261] x 100
Subtract the new number by the original number
86 - 261 = -175
-175 ÷ 261 = -0.6704980842911877
-0.6704980842911877 x 100 = -67.05%