72.81% is the change from 228 to 394
Calculation steps:
[( 394 - 228 ) ÷ 228] x 100 = 72.81%
Formula
Percentage change = [(394 - 228) / 228] x 100
Subtract the new number by the original number
394 - 228 = 166
166 ÷ 228 = 0.7280701754385965
0.7280701754385965 x 100 = 72.81%