-22.26% is the change from 849 to 660
Calculation steps:
[( 660 - 849 ) ÷ 849] x 100 = -22.26%
Formula
Percentage change = [(660 - 849) / 849] x 100
Subtract the new number by the original number
660 - 849 = -189
-189 ÷ 849 = -0.2226148409893993
-0.2226148409893993 x 100 = -22.26%