-54.2% is the change from 880 to 403
Calculation steps:
[( 403 - 880 ) ÷ 880] x 100 = -54.2%
Formula
Percentage change = [(403 - 880) / 880] x 100
Subtract the new number by the original number
403 - 880 = -477
-477 ÷ 880 = -0.5420454545454545
-0.5420454545454545 x 100 = -54.2%