54.55% is the change from 638 to 986
Calculation steps:
[( 986 - 638 ) ÷ 638] x 100 = 54.55%
Formula
Percentage change = [(986 - 638) / 638] x 100
Subtract the new number by the original number
986 - 638 = 348
348 ÷ 638 = 0.5454545454545454
0.5454545454545454 x 100 = 54.55%