54.55% is the change from 308 to 476
Calculation steps:
[( 476 - 308 ) ÷ 308] x 100 = 54.55%
Formula
Percentage change = [(476 - 308) / 308] x 100
Subtract the new number by the original number
476 - 308 = 168
168 ÷ 308 = 0.5454545454545454
0.5454545454545454 x 100 = 54.55%