85.58% is the change from 312 to 579
Calculation steps:
[( 579 - 312 ) ÷ 312] x 100 = 85.58%
Formula
Percentage change = [(579 - 312) / 312] x 100
Subtract the new number by the original number
579 - 312 = 267
267 ÷ 312 = 0.8557692307692307
0.8557692307692307 x 100 = 85.58%