-63.56% is the change from 236 to 86
Calculation steps:
[( 86 - 236 ) ÷ 236] x 100 = -63.56%
Formula
Percentage change = [(86 - 236) / 236] x 100
Subtract the new number by the original number
86 - 236 = -150
-150 ÷ 236 = -0.635593220338983
-0.635593220338983 x 100 = -63.56%