38.18% is the change from 639 to 883
Calculation steps:
[( 883 - 639 ) ÷ 639] x 100 = 38.18%
Formula
Percentage change = [(883 - 639) / 639] x 100
Subtract the new number by the original number
883 - 639 = 244
244 ÷ 639 = 0.38184663536776214
0.38184663536776214 x 100 = 38.18%