-2.48% is the change from 848 to 827
Calculation steps:
[( 827 - 848 ) ÷ 848] x 100 = -2.48%
Formula
Percentage change = [(827 - 848) / 848] x 100
Subtract the new number by the original number
827 - 848 = -21
-21 ÷ 848 = -0.024764150943396228
-0.024764150943396228 x 100 = -2.48%