270.93% is the change from 227 to 842
Calculation steps:
[( 842 - 227 ) ÷ 227] x 100 = 270.93%
Formula
Percentage change = [(842 - 227) / 227] x 100
Subtract the new number by the original number
842 - 227 = 615
615 ÷ 227 = 2.709251101321586
2.709251101321586 x 100 = 270.93%