79.94% is the change from 319 to 574
Calculation steps:
[( 574 - 319 ) ÷ 319] x 100 = 79.94%
Formula
Percentage change = [(574 - 319) / 319] x 100
Subtract the new number by the original number
574 - 319 = 255
255 ÷ 319 = 0.799373040752351
0.799373040752351 x 100 = 79.94%