86.17% is the change from 311 to 579
Calculation steps:
[( 579 - 311 ) ÷ 311] x 100 = 86.17%
Formula
Percentage change = [(579 - 311) / 311] x 100
Subtract the new number by the original number
579 - 311 = 268
268 ÷ 311 = 0.8617363344051447
0.8617363344051447 x 100 = 86.17%