-27.26% is the change from 884 to 643
Calculation steps:
[( 643 - 884 ) ÷ 884] x 100 = -27.26%
Formula
Percentage change = [(643 - 884) / 884] x 100
Subtract the new number by the original number
643 - 884 = -241
-241 ÷ 884 = -0.27262443438914025
-0.27262443438914025 x 100 = -27.26%