50.95% is the change from 316 to 477
Calculation steps:
[( 477 - 316 ) ÷ 316] x 100 = 50.95%
Formula
Percentage change = [(477 - 316) / 316] x 100
Subtract the new number by the original number
477 - 316 = 161
161 ÷ 316 = 0.509493670886076
0.509493670886076 x 100 = 50.95%