90.45% is the change from 440 to 838
Calculation steps:
[( 838 - 440 ) ÷ 440] x 100 = 90.45%
Formula
Percentage change = [(838 - 440) / 440] x 100
Subtract the new number by the original number
838 - 440 = 398
398 ÷ 440 = 0.9045454545454545
0.9045454545454545 x 100 = 90.45%