-23.4% is the change from 846 to 648
Calculation steps:
[( 648 - 846 ) ÷ 846] x 100 = -23.4%
Formula
Percentage change = [(648 - 846) / 846] x 100
Subtract the new number by the original number
648 - 846 = -198
-198 ÷ 846 = -0.23404255319148937
-0.23404255319148937 x 100 = -23.4%