51.26% is the change from 634 to 959
Calculation steps:
[( 959 - 634 ) ÷ 634] x 100 = 51.26%
Formula
Percentage change = [(959 - 634) / 634] x 100
Subtract the new number by the original number
959 - 634 = 325
325 ÷ 634 = 0.5126182965299685
0.5126182965299685 x 100 = 51.26%