-97.71% is the change from 875 to 20
Calculation steps:
[( 20 - 875 ) ÷ 875] x 100 = -97.71%
Formula
Percentage change = [(20 - 875) / 875] x 100
Subtract the new number by the original number
20 - 875 = -855
-855 ÷ 875 = -0.9771428571428571
-0.9771428571428571 x 100 = -97.71%