50.16% is the change from 319 to 479
Calculation steps:
[( 479 - 319 ) ÷ 319] x 100 = 50.16%
Formula
Percentage change = [(479 - 319) / 319] x 100
Subtract the new number by the original number
479 - 319 = 160
160 ÷ 319 = 0.5015673981191222
0.5015673981191222 x 100 = 50.16%