150% is the change from 86 to 215
Calculation steps:
[( 215 - 86 ) ÷ 86] x 100 = 150%
Formula
Percentage change = [(215 - 86) / 86] x 100
Subtract the new number by the original number
215 - 86 = 129
129 ÷ 86 = 1.5
1.5 x 100 = 150%
Example