9.5% is the change from 579 to 634
Calculation steps:
[( 634 - 579 ) ÷ 579] x 100 = 9.5%
Formula
Percentage change = [(634 - 579) / 579] x 100
Subtract the new number by the original number
634 - 579 = 55
55 ÷ 579 = 0.09499136442141623
0.09499136442141623 x 100 = 9.5%