83.7% is the change from 319 to 586
Calculation steps:
[( 586 - 319 ) ÷ 319] x 100 = 83.7%
Formula
Percentage change = [(586 - 319) / 319] x 100
Subtract the new number by the original number
586 - 319 = 267
267 ÷ 319 = 0.8369905956112853
0.8369905956112853 x 100 = 83.7%