52.6% is the change from 308 to 470
Calculation steps:
[( 470 - 308 ) ÷ 308] x 100 = 52.6%
Formula
Percentage change = [(470 - 308) / 308] x 100
Subtract the new number by the original number
470 - 308 = 162
162 ÷ 308 = 0.525974025974026
0.525974025974026 x 100 = 52.6%