53.61% is the change from 638 to 980
Calculation steps:
[( 980 - 638 ) ÷ 638] x 100 = 53.61%
Formula
Percentage change = [(980 - 638) / 638] x 100
Subtract the new number by the original number
980 - 638 = 342
342 ÷ 638 = 0.5360501567398119
0.5360501567398119 x 100 = 53.61%