51.02% is the change from 635 to 959
Calculation steps:
[( 959 - 635 ) ÷ 635] x 100 = 51.02%
Formula
Percentage change = [(959 - 635) / 635] x 100
Subtract the new number by the original number
959 - 635 = 324
324 ÷ 635 = 0.510236220472441
0.510236220472441 x 100 = 51.02%