-97.76% is the change from 848 to 19
Calculation steps:
[( 19 - 848 ) ÷ 848] x 100 = -97.76%
Formula
Percentage change = [(19 - 848) / 848] x 100
Subtract the new number by the original number
19 - 848 = -829
-829 ÷ 848 = -0.9775943396226415
-0.9775943396226415 x 100 = -97.76%