229.03% is the change from 248 to 816
Calculation steps:
[( 816 - 248 ) ÷ 248] x 100 = 229.03%
Formula
Percentage change = [(816 - 248) / 248] x 100
Subtract the new number by the original number
816 - 248 = 568
568 ÷ 248 = 2.2903225806451615
2.2903225806451615 x 100 = 229.03%