264.57% is the change from 223 to 813
Calculation steps:
[( 813 - 223 ) ÷ 223] x 100 = 264.57%
Formula
Percentage change = [(813 - 223) / 223] x 100
Subtract the new number by the original number
813 - 223 = 590
590 ÷ 223 = 2.6457399103139014
2.6457399103139014 x 100 = 264.57%