249.56% is the change from 228 to 797
Calculation steps:
[( 797 - 228 ) ÷ 228] x 100 = 249.56%
Formula
Percentage change = [(797 - 228) / 228] x 100
Subtract the new number by the original number
797 - 228 = 569
569 ÷ 228 = 2.495614035087719
2.495614035087719 x 100 = 249.56%