266.08% is the change from 227 to 831
Calculation steps:
[( 831 - 227 ) ÷ 227] x 100 = 266.08%
Formula
Percentage change = [(831 - 227) / 227] x 100
Subtract the new number by the original number
831 - 227 = 604
604 ÷ 227 = 2.66079295154185
2.66079295154185 x 100 = 266.08%