35.71% is the change from 168 to 228
Calculation steps:
[( 228 - 168 ) ÷ 168] x 100 = 35.71%
Formula
Percentage change = [(228 - 168) / 168] x 100
Subtract the new number by the original number
228 - 168 = 60
60 ÷ 168 = 0.35714285714285715
0.35714285714285715 x 100 = 35.71%