51.75% is the change from 228 to 346
Calculation steps:
[( 346 - 228 ) ÷ 228] x 100 = 51.75%
Formula
Percentage change = [(346 - 228) / 228] x 100
Subtract the new number by the original number
346 - 228 = 118
118 ÷ 228 = 0.5175438596491229
0.5175438596491229 x 100 = 51.75%