-22.25% is the change from 854 to 664
Calculation steps:
[( 664 - 854 ) ÷ 854] x 100 = -22.25%
Formula
Percentage change = [(664 - 854) / 854] x 100
Subtract the new number by the original number
664 - 854 = -190
-190 ÷ 854 = -0.2224824355971897
-0.2224824355971897 x 100 = -22.25%