139.29% is the change from 397 to 950
Calculation steps:
[( 950 - 397 ) ÷ 397] x 100 = 139.29%
Formula
Percentage change = [(950 - 397) / 397] x 100
Subtract the new number by the original number
950 - 397 = 553
553 ÷ 397 = 1.3929471032745593
1.3929471032745593 x 100 = 139.29%