-97.79% is the change from 907 to 20
Calculation steps:
[( 20 - 907 ) ÷ 907] x 100 = -97.79%
Formula
Percentage change = [(20 - 907) / 907] x 100
Subtract the new number by the original number
20 - 907 = -887
-887 ÷ 907 = -0.9779492833517089
-0.9779492833517089 x 100 = -97.79%