138.44% is the change from 398 to 949
Calculation steps:
[( 949 - 398 ) ÷ 398] x 100 = 138.44%
Formula
Percentage change = [(949 - 398) / 398] x 100
Subtract the new number by the original number
949 - 398 = 551
551 ÷ 398 = 1.3844221105527639
1.3844221105527639 x 100 = 138.44%