51.49% is the change from 637 to 965
Calculation steps:
[( 965 - 637 ) ÷ 637] x 100 = 51.49%
Formula
Percentage change = [(965 - 637) / 637] x 100
Subtract the new number by the original number
965 - 637 = 328
328 ÷ 637 = 0.5149136577708007
0.5149136577708007 x 100 = 51.49%