217.62% is the change from 227 to 721
Calculation steps:
[( 721 - 227 ) ÷ 227] x 100 = 217.62%
Formula
Percentage change = [(721 - 227) / 227] x 100
Subtract the new number by the original number
721 - 227 = 494
494 ÷ 227 = 2.1762114537444934
2.1762114537444934 x 100 = 217.62%