-41.18% is the change from 879 to 517
Calculation steps:
[( 517 - 879 ) ÷ 879] x 100 = -41.18%
Formula
Percentage change = [(517 - 879) / 879] x 100
Subtract the new number by the original number
517 - 879 = -362
-362 ÷ 879 = -0.4118316268486917
-0.4118316268486917 x 100 = -41.18%