46.03% is the change from 643 to 939
Calculation steps:
[( 939 - 643 ) ÷ 643] x 100 = 46.03%
Formula
Percentage change = [(939 - 643) / 643] x 100
Subtract the new number by the original number
939 - 643 = 296
296 ÷ 643 = 0.4603421461897356
0.4603421461897356 x 100 = 46.03%