-60.37% is the change from 217 to 86
Calculation steps:
[( 86 - 217 ) ÷ 217] x 100 = -60.37%
Formula
Percentage change = [(86 - 217) / 217] x 100
Subtract the new number by the original number
86 - 217 = -131
-131 ÷ 217 = -0.6036866359447005
-0.6036866359447005 x 100 = -60.37%