-42.22% is the change from 881 to 509
Calculation steps:
[( 509 - 881 ) ÷ 881] x 100 = -42.22%
Formula
Percentage change = [(509 - 881) / 881] x 100
Subtract the new number by the original number
509 - 881 = -372
-372 ÷ 881 = -0.42224744608399545
-0.42224744608399545 x 100 = -42.22%