413.33% is the change from 15 to 77
Calculation steps:
[( 77 - 15 ) ÷ 15] x 100 = 413.33%
Formula
Percentage change = [(77 - 15) / 15] x 100
Subtract the new number by the original number
77 - 15 = 62
62 ÷ 15 = 4.133333333333334
4.133333333333334 x 100 = 413.33%