-42.55% is the change from 886 to 509
Calculation steps:
[( 509 - 886 ) ÷ 886] x 100 = -42.55%
Formula
Percentage change = [(509 - 886) / 886] x 100
Subtract the new number by the original number
509 - 886 = -377
-377 ÷ 886 = -0.4255079006772009
-0.4255079006772009 x 100 = -42.55%