-55% is the change from 880 to 396
Calculation steps:
[( 396 - 880 ) ÷ 880] x 100 = -55%
Formula
Percentage change = [(396 - 880) / 880] x 100
Subtract the new number by the original number
396 - 880 = -484
-484 ÷ 880 = -0.55
-0.55 x 100 = -55%
Example