50.63% is the change from 318 to 479
Calculation steps:
[( 479 - 318 ) ÷ 318] x 100 = 50.63%
Formula
Percentage change = [(479 - 318) / 318] x 100
Subtract the new number by the original number
479 - 318 = 161
161 ÷ 318 = 0.5062893081761006
0.5062893081761006 x 100 = 50.63%