-34.2% is the change from 880 to 579
Calculation steps:
[( 579 - 880 ) ÷ 880] x 100 = -34.2%
Formula
Percentage change = [(579 - 880) / 880] x 100
Subtract the new number by the original number
579 - 880 = -301
-301 ÷ 880 = -0.34204545454545454
-0.34204545454545454 x 100 = -34.2%