139.8% is the change from 397 to 952
Calculation steps:
[( 952 - 397 ) ÷ 397] x 100 = 139.8%
Formula
Percentage change = [(952 - 397) / 397] x 100
Subtract the new number by the original number
952 - 397 = 555
555 ÷ 397 = 1.397984886649874
1.397984886649874 x 100 = 139.8%