-21.63% is the change from 846 to 663
Calculation steps:
[( 663 - 846 ) ÷ 846] x 100 = -21.63%
Formula
Percentage change = [(663 - 846) / 846] x 100
Subtract the new number by the original number
663 - 846 = -183
-183 ÷ 846 = -0.21631205673758866
-0.21631205673758866 x 100 = -21.63%