49.92% is the change from 637 to 955
Calculation steps:
[( 955 - 637 ) ÷ 637] x 100 = 49.92%
Formula
Percentage change = [(955 - 637) / 637] x 100
Subtract the new number by the original number
955 - 637 = 318
318 ÷ 637 = 0.49921507064364207
0.49921507064364207 x 100 = 49.92%