-54.86% is the change from 906 to 409
Calculation steps:
[( 409 - 906 ) ÷ 906] x 100 = -54.86%
Formula
Percentage change = [(409 - 906) / 906] x 100
Subtract the new number by the original number
409 - 906 = -497
-497 ÷ 906 = -0.5485651214128036
-0.5485651214128036 x 100 = -54.86%