895% is the change from 40 to 398
Calculation steps:
[( 398 - 40 ) ÷ 40] x 100 = 895%
Formula
Percentage change = [(398 - 40) / 40] x 100
Subtract the new number by the original number
398 - 40 = 358
358 ÷ 40 = 8.95
8.95 x 100 = 895%
Example