54.55% is the change from 319 to 493
Calculation steps:
[( 493 - 319 ) ÷ 319] x 100 = 54.55%
Formula
Percentage change = [(493 - 319) / 319] x 100
Subtract the new number by the original number
493 - 319 = 174
174 ÷ 319 = 0.5454545454545454
0.5454545454545454 x 100 = 54.55%