52.98% is the change from 638 to 976
Calculation steps:
[( 976 - 638 ) ÷ 638] x 100 = 52.98%
Formula
Percentage change = [(976 - 638) / 638] x 100
Subtract the new number by the original number
976 - 638 = 338
338 ÷ 638 = 0.5297805642633229
0.5297805642633229 x 100 = 52.98%