-22.37% is the change from 854 to 663
Calculation steps:
[( 663 - 854 ) ÷ 854] x 100 = -22.37%
Formula
Percentage change = [(663 - 854) / 854] x 100
Subtract the new number by the original number
663 - 854 = -191
-191 ÷ 854 = -0.22365339578454332
-0.22365339578454332 x 100 = -22.37%