30.61% is the change from 477 to 623
Calculation steps:
[( 623 - 477 ) ÷ 477] x 100 = 30.61%
Formula
Percentage change = [(623 - 477) / 477] x 100
Subtract the new number by the original number
623 - 477 = 146
146 ÷ 477 = 0.3060796645702306
0.3060796645702306 x 100 = 30.61%