-54.78% is the change from 900 to 407
Calculation steps:
[( 407 - 900 ) ÷ 900] x 100 = -54.78%
Formula
Percentage change = [(407 - 900) / 900] x 100
Subtract the new number by the original number
407 - 900 = -493
-493 ÷ 900 = -0.5477777777777778
-0.5477777777777778 x 100 = -54.78%