225.7% is the change from 249 to 811
Calculation steps:
[( 811 - 249 ) ÷ 249] x 100 = 225.7%
Formula
Percentage change = [(811 - 249) / 249] x 100
Subtract the new number by the original number
811 - 249 = 562
562 ÷ 249 = 2.2570281124497993
2.2570281124497993 x 100 = 225.7%