38.41% is the change from 164 to 227
Calculation steps:
[( 227 - 164 ) ÷ 164] x 100 = 38.41%
Formula
Percentage change = [(227 - 164) / 164] x 100
Subtract the new number by the original number
227 - 164 = 63
63 ÷ 164 = 0.38414634146341464
0.38414634146341464 x 100 = 38.41%