237.72% is the change from 228 to 770
Calculation steps:
[( 770 - 228 ) ÷ 228] x 100 = 237.72%
Formula
Percentage change = [(770 - 228) / 228] x 100
Subtract the new number by the original number
770 - 228 = 542
542 ÷ 228 = 2.3771929824561404
2.3771929824561404 x 100 = 237.72%