2413.33% is the change from 15 to 377
Calculation steps:
[( 377 - 15 ) ÷ 15] x 100 = 2413.33%
Formula
Percentage change = [(377 - 15) / 15] x 100
Subtract the new number by the original number
377 - 15 = 362
362 ÷ 15 = 24.133333333333333
24.133333333333333 x 100 = 2413.33%