-24.17% is the change from 848 to 643
Calculation steps:
[( 643 - 848 ) ÷ 848] x 100 = -24.17%
Formula
Percentage change = [(643 - 848) / 848] x 100
Subtract the new number by the original number
643 - 848 = -205
-205 ÷ 848 = -0.2417452830188679
-0.2417452830188679 x 100 = -24.17%