258.74% is the change from 223 to 800
Calculation steps:
[( 800 - 223 ) ÷ 223] x 100 = 258.74%
Formula
Percentage change = [(800 - 223) / 223] x 100
Subtract the new number by the original number
800 - 223 = 577
577 ÷ 223 = 2.587443946188341
2.587443946188341 x 100 = 258.74%