243.04% is the change from 237 to 813
Calculation steps:
[( 813 - 237 ) ÷ 237] x 100 = 243.04%
Formula
Percentage change = [(813 - 237) / 237] x 100
Subtract the new number by the original number
813 - 237 = 576
576 ÷ 237 = 2.430379746835443
2.430379746835443 x 100 = 243.04%