68.91% is the change from 579 to 978
Calculation steps:
[( 978 - 579 ) ÷ 579] x 100 = 68.91%
Formula
Percentage change = [(978 - 579) / 579] x 100
Subtract the new number by the original number
978 - 579 = 399
399 ÷ 579 = 0.689119170984456
0.689119170984456 x 100 = 68.91%