-64.02% is the change from 239 to 86
Calculation steps:
[( 86 - 239 ) ÷ 239] x 100 = -64.02%
Formula
Percentage change = [(86 - 239) / 239] x 100
Subtract the new number by the original number
86 - 239 = -153
-153 ÷ 239 = -0.6401673640167364
-0.6401673640167364 x 100 = -64.02%