540% is the change from 15 to 96
Calculation steps:
[( 96 - 15 ) ÷ 15] x 100 = 540%
Formula
Percentage change = [(96 - 15) / 15] x 100
Subtract the new number by the original number
96 - 15 = 81
81 ÷ 15 = 5.4
5.4 x 100 = 540%
Example