69.78% is the change from 579 to 983
Calculation steps:
[( 983 - 579 ) ÷ 579] x 100 = 69.78%
Formula
Percentage change = [(983 - 579) / 579] x 100
Subtract the new number by the original number
983 - 579 = 404
404 ÷ 579 = 0.697754749568221
0.697754749568221 x 100 = 69.78%