222.88% is the change from 306 to 988
Calculation steps:
[( 988 - 306 ) ÷ 306] x 100 = 222.88%
Formula
Percentage change = [(988 - 306) / 306] x 100
Subtract the new number by the original number
988 - 306 = 682
682 ÷ 306 = 2.2287581699346406
2.2287581699346406 x 100 = 222.88%