309.24% is the change from 238 to 974
Calculation steps:
[( 974 - 238 ) ÷ 238] x 100 = 309.24%
Formula
Percentage change = [(974 - 238) / 238] x 100
Subtract the new number by the original number
974 - 238 = 736
736 ÷ 238 = 3.092436974789916
3.092436974789916 x 100 = 309.24%