-55.41% is the change from 906 to 404
Calculation steps:
[( 404 - 906 ) ÷ 906] x 100 = -55.41%
Formula
Percentage change = [(404 - 906) / 906] x 100
Subtract the new number by the original number
404 - 906 = -502
-502 ÷ 906 = -0.5540838852097131
-0.5540838852097131 x 100 = -55.41%