-24.74% is the change from 861 to 648
Calculation steps:
[( 648 - 861 ) ÷ 861] x 100 = -24.74%
Formula
Percentage change = [(648 - 861) / 861] x 100
Subtract the new number by the original number
648 - 861 = -213
-213 ÷ 861 = -0.24738675958188153
-0.24738675958188153 x 100 = -24.74%