48.21% is the change from 641 to 950
Calculation steps:
[( 950 - 641 ) ÷ 641] x 100 = 48.21%
Formula
Percentage change = [(950 - 641) / 641] x 100
Subtract the new number by the original number
950 - 641 = 309
309 ÷ 641 = 0.48205928237129486
0.48205928237129486 x 100 = 48.21%