49.4% is the change from 579 to 865
Calculation steps:
[( 865 - 579 ) ÷ 579] x 100 = 49.4%
Formula
Percentage change = [(865 - 579) / 579] x 100
Subtract the new number by the original number
865 - 579 = 286
286 ÷ 579 = 0.4939550949913644
0.4939550949913644 x 100 = 49.4%