-40.27% is the change from 879 to 525
Calculation steps:
[( 525 - 879 ) ÷ 879] x 100 = -40.27%
Formula
Percentage change = [(525 - 879) / 879] x 100
Subtract the new number by the original number
525 - 879 = -354
-354 ÷ 879 = -0.40273037542662116
-0.40273037542662116 x 100 = -40.27%