149.5% is the change from 398 to 993
Calculation steps:
[( 993 - 398 ) ÷ 398] x 100 = 149.5%
Formula
Percentage change = [(993 - 398) / 398] x 100
Subtract the new number by the original number
993 - 398 = 595
595 ÷ 398 = 1.4949748743718594
1.4949748743718594 x 100 = 149.5%