50.26% is the change from 579 to 870
Calculation steps:
[( 870 - 579 ) ÷ 579] x 100 = 50.26%
Formula
Percentage change = [(870 - 579) / 579] x 100
Subtract the new number by the original number
870 - 579 = 291
291 ÷ 579 = 0.5025906735751295
0.5025906735751295 x 100 = 50.26%