-5.34% is the change from 861 to 815
Calculation steps:
[( 815 - 861 ) ÷ 861] x 100 = -5.34%
Formula
Percentage change = [(815 - 861) / 861] x 100
Subtract the new number by the original number
815 - 861 = -46
-46 ÷ 861 = -0.053426248548199766
-0.053426248548199766 x 100 = -5.34%