573.33% is the change from 15 to 101
Calculation steps:
[( 101 - 15 ) ÷ 15] x 100 = 573.33%
Formula
Percentage change = [(101 - 15) / 15] x 100
Subtract the new number by the original number
101 - 15 = 86
86 ÷ 15 = 5.733333333333333
5.733333333333333 x 100 = 573.33%