126.13% is the change from 398 to 900
Calculation steps:
[( 900 - 398 ) ÷ 398] x 100 = 126.13%
Formula
Percentage change = [(900 - 398) / 398] x 100
Subtract the new number by the original number
900 - 398 = 502
502 ÷ 398 = 1.2613065326633166
1.2613065326633166 x 100 = 126.13%