-55.34% is the change from 880 to 393
Calculation steps:
[( 393 - 880 ) ÷ 880] x 100 = -55.34%
Formula
Percentage change = [(393 - 880) / 880] x 100
Subtract the new number by the original number
393 - 880 = -487
-487 ÷ 880 = -0.553409090909091
-0.553409090909091 x 100 = -55.34%