3113.33% is the change from 15 to 482
Calculation steps:
[( 482 - 15 ) ÷ 15] x 100 = 3113.33%
Formula
Percentage change = [(482 - 15) / 15] x 100
Subtract the new number by the original number
482 - 15 = 467
467 ÷ 15 = 31.133333333333333
31.133333333333333 x 100 = 3113.33%