47.74% is the change from 643 to 950
Calculation steps:
[( 950 - 643 ) ÷ 643] x 100 = 47.74%
Formula
Percentage change = [(950 - 643) / 643] x 100
Subtract the new number by the original number
950 - 643 = 307
307 ÷ 643 = 0.4774494556765163
0.4774494556765163 x 100 = 47.74%