53.38% is the change from 311 to 477
Calculation steps:
[( 477 - 311 ) ÷ 311] x 100 = 53.38%
Formula
Percentage change = [(477 - 311) / 311] x 100
Subtract the new number by the original number
477 - 311 = 166
166 ÷ 311 = 0.5337620578778135
0.5337620578778135 x 100 = 53.38%