231.02% is the change from 245 to 811
Calculation steps:
[( 811 - 245 ) ÷ 245] x 100 = 231.02%
Formula
Percentage change = [(811 - 245) / 245] x 100
Subtract the new number by the original number
811 - 245 = 566
566 ÷ 245 = 2.3102040816326532
2.3102040816326532 x 100 = 231.02%