-97.82% is the change from 919 to 20
Calculation steps:
[( 20 - 919 ) ÷ 919] x 100 = -97.82%
Formula
Percentage change = [(20 - 919) / 919] x 100
Subtract the new number by the original number
20 - 919 = -899
-899 ÷ 919 = -0.9782372143634385
-0.9782372143634385 x 100 = -97.82%