54.72% is the change from 307 to 475
Calculation steps:
[( 475 - 307 ) ÷ 307] x 100 = 54.72%
Formula
Percentage change = [(475 - 307) / 307] x 100
Subtract the new number by the original number
475 - 307 = 168
168 ÷ 307 = 0.5472312703583062
0.5472312703583062 x 100 = 54.72%