302.63% is the change from 228 to 918
Calculation steps:
[( 918 - 228 ) ÷ 228] x 100 = 302.63%
Formula
Percentage change = [(918 - 228) / 228] x 100
Subtract the new number by the original number
918 - 228 = 690
690 ÷ 228 = 3.026315789473684
3.026315789473684 x 100 = 302.63%