228.23% is the change from 248 to 814
Calculation steps:
[( 814 - 248 ) ÷ 248] x 100 = 228.23%
Formula
Percentage change = [(814 - 248) / 248] x 100
Subtract the new number by the original number
814 - 248 = 566
566 ÷ 248 = 2.282258064516129
2.282258064516129 x 100 = 228.23%