-23.67% is the change from 849 to 648
Calculation steps:
[( 648 - 849 ) ÷ 849] x 100 = -23.67%
Formula
Percentage change = [(648 - 849) / 849] x 100
Subtract the new number by the original number
648 - 849 = -201
-201 ÷ 849 = -0.23674911660777384
-0.23674911660777384 x 100 = -23.67%