139.95% is the change from 398 to 955
Calculation steps:
[( 955 - 398 ) ÷ 398] x 100 = 139.95%
Formula
Percentage change = [(955 - 398) / 398] x 100
Subtract the new number by the original number
955 - 398 = 557
557 ÷ 398 = 1.399497487437186
1.399497487437186 x 100 = 139.95%