514.29% is the change from 14 to 86
Calculation steps:
[( 86 - 14 ) ÷ 14] x 100 = 514.29%
Formula
Percentage change = [(86 - 14) / 14] x 100
Subtract the new number by the original number
86 - 14 = 72
72 ÷ 14 = 5.142857142857143
5.142857142857143 x 100 = 514.29%