-42.81% is the change from 890 to 509
Calculation steps:
[( 509 - 890 ) ÷ 890] x 100 = -42.81%
Formula
Percentage change = [(509 - 890) / 890] x 100
Subtract the new number by the original number
509 - 890 = -381
-381 ÷ 890 = -0.4280898876404494
-0.4280898876404494 x 100 = -42.81%