-93.84% is the change from 909 to 56
Calculation steps:
[( 56 - 909 ) ÷ 909] x 100 = -93.84%
Formula
Percentage change = [(56 - 909) / 909] x 100
Subtract the new number by the original number
56 - 909 = -853
-853 ÷ 909 = -0.9383938393839384
-0.9383938393839384 x 100 = -93.84%