304.58% is the change from 240 to 971
Calculation steps:
[( 971 - 240 ) ÷ 240] x 100 = 304.58%
Formula
Percentage change = [(971 - 240) / 240] x 100
Subtract the new number by the original number
971 - 240 = 731
731 ÷ 240 = 3.0458333333333334
3.0458333333333334 x 100 = 304.58%