100% is the change from 475 to 950
Calculation steps:
[( 950 - 475 ) ÷ 475] x 100 = 100%
Formula
Percentage change = [(950 - 475) / 475] x 100
Subtract the new number by the original number
950 - 475 = 475
475 ÷ 475 = 1
1 x 100 = 100%
Example