-52.27% is the change from 880 to 420
Calculation steps:
[( 420 - 880 ) ÷ 880] x 100 = -52.27%
Formula
Percentage change = [(420 - 880) / 880] x 100
Subtract the new number by the original number
420 - 880 = -460
-460 ÷ 880 = -0.5227272727272727
-0.5227272727272727 x 100 = -52.27%