53.59% is the change from 306 to 470
Calculation steps:
[( 470 - 306 ) ÷ 306] x 100 = 53.59%
Formula
Percentage change = [(470 - 306) / 306] x 100
Subtract the new number by the original number
470 - 306 = 164
164 ÷ 306 = 0.5359477124183006
0.5359477124183006 x 100 = 53.59%