312% is the change from 175 to 721
Calculation steps:
[( 721 - 175 ) ÷ 175] x 100 = 312%
Formula
Percentage change = [(721 - 175) / 175] x 100
Subtract the new number by the original number
721 - 175 = 546
546 ÷ 175 = 3.12
3.12 x 100 = 312%
Example