4800% is the change from 15 to 735
Calculation steps:
[( 735 - 15 ) ÷ 15] x 100 = 4800%
Formula
Percentage change = [(735 - 15) / 15] x 100
Subtract the new number by the original number
735 - 15 = 720
720 ÷ 15 = 48
48 x 100 = 4800%
Example