70.98% is the change from 579 to 990
Calculation steps:
[( 990 - 579 ) ÷ 579] x 100 = 70.98%
Formula
Percentage change = [(990 - 579) / 579] x 100
Subtract the new number by the original number
990 - 579 = 411
411 ÷ 579 = 0.7098445595854922
0.7098445595854922 x 100 = 70.98%