51.65% is the change from 637 to 966
Calculation steps:
[( 966 - 637 ) ÷ 637] x 100 = 51.65%
Formula
Percentage change = [(966 - 637) / 637] x 100
Subtract the new number by the original number
966 - 637 = 329
329 ÷ 637 = 0.5164835164835165
0.5164835164835165 x 100 = 51.65%