79% is the change from 319 to 571
Calculation steps:
[( 571 - 319 ) ÷ 319] x 100 = 79%
Formula
Percentage change = [(571 - 319) / 319] x 100
Subtract the new number by the original number
571 - 319 = 252
252 ÷ 319 = 0.7899686520376176
0.7899686520376176 x 100 = 79%