53.06% is the change from 637 to 975
Calculation steps:
[( 975 - 637 ) ÷ 637] x 100 = 53.06%
Formula
Percentage change = [(975 - 637) / 637] x 100
Subtract the new number by the original number
975 - 637 = 338
338 ÷ 637 = 0.5306122448979592
0.5306122448979592 x 100 = 53.06%