4853.33% is the change from 15 to 743
Calculation steps:
[( 743 - 15 ) ÷ 15] x 100 = 4853.33%
Formula
Percentage change = [(743 - 15) / 15] x 100
Subtract the new number by the original number
743 - 15 = 728
728 ÷ 15 = 48.53333333333333
48.53333333333333 x 100 = 4853.33%