20.9% is the change from 579 to 700
Calculation steps:
[( 700 - 579 ) ÷ 579] x 100 = 20.9%
Formula
Percentage change = [(700 - 579) / 579] x 100
Subtract the new number by the original number
700 - 579 = 121
121 ÷ 579 = 0.20898100172711573
0.20898100172711573 x 100 = 20.9%