-40.42% is the change from 861 to 513
Calculation steps:
[( 513 - 861 ) ÷ 861] x 100 = -40.42%
Formula
Percentage change = [(513 - 861) / 861] x 100
Subtract the new number by the original number
513 - 861 = -348
-348 ÷ 861 = -0.40418118466898956
-0.40418118466898956 x 100 = -40.42%