-24% is the change from 846 to 643
Calculation steps:
[( 643 - 846 ) ÷ 846] x 100 = -24%
Formula
Percentage change = [(643 - 846) / 846] x 100
Subtract the new number by the original number
643 - 846 = -203
-203 ÷ 846 = -0.23995271867612294
-0.23995271867612294 x 100 = -24%