225% is the change from 304 to 988
Calculation steps:
[( 988 - 304 ) ÷ 304] x 100 = 225%
Formula
Percentage change = [(988 - 304) / 304] x 100
Subtract the new number by the original number
988 - 304 = 684
684 ÷ 304 = 2.25
2.25 x 100 = 225%
Example