-33.98% is the change from 877 to 579
Calculation steps:
[( 579 - 877 ) ÷ 877] x 100 = -33.98%
Formula
Percentage change = [(579 - 877) / 877] x 100
Subtract the new number by the original number
579 - 877 = -298
-298 ÷ 877 = -0.33979475484606614
-0.33979475484606614 x 100 = -33.98%