309.57% is the change from 230 to 942
Calculation steps:
[( 942 - 230 ) ÷ 230] x 100 = 309.57%
Formula
Percentage change = [(942 - 230) / 230] x 100
Subtract the new number by the original number
942 - 230 = 712
712 ÷ 230 = 3.0956521739130434
3.0956521739130434 x 100 = 309.57%