83.07% is the change from 319 to 584
Calculation steps:
[( 584 - 319 ) ÷ 319] x 100 = 83.07%
Formula
Percentage change = [(584 - 319) / 319] x 100
Subtract the new number by the original number
584 - 319 = 265
265 ÷ 319 = 0.8307210031347962
0.8307210031347962 x 100 = 83.07%