51.98% is the change from 631 to 959
Calculation steps:
[( 959 - 631 ) ÷ 631] x 100 = 51.98%
Formula
Percentage change = [(959 - 631) / 631] x 100
Subtract the new number by the original number
959 - 631 = 328
328 ÷ 631 = 0.5198098256735341
0.5198098256735341 x 100 = 51.98%