-66.98% is the change from 848 to 280
Calculation steps:
[( 280 - 848 ) ÷ 848] x 100 = -66.98%
Formula
Percentage change = [(280 - 848) / 848] x 100
Subtract the new number by the original number
280 - 848 = -568
-568 ÷ 848 = -0.6698113207547169
-0.6698113207547169 x 100 = -66.98%