-97.8% is the change from 862 to 19
Calculation steps:
[( 19 - 862 ) ÷ 862] x 100 = -97.8%
Formula
Percentage change = [(19 - 862) / 862] x 100
Subtract the new number by the original number
19 - 862 = -843
-843 ÷ 862 = -0.9779582366589327
-0.9779582366589327 x 100 = -97.8%