298.34% is the change from 181 to 721
Calculation steps:
[( 721 - 181 ) ÷ 181] x 100 = 298.34%
Formula
Percentage change = [(721 - 181) / 181] x 100
Subtract the new number by the original number
721 - 181 = 540
540 ÷ 181 = 2.983425414364641
2.983425414364641 x 100 = 298.34%