-99.56% is the change from 901 to 4
Calculation steps:
[( 4 - 901 ) ÷ 901] x 100 = -99.56%
Formula
Percentage change = [(4 - 901) / 901] x 100
Subtract the new number by the original number
4 - 901 = -897
-897 ÷ 901 = -0.9955604883462819
-0.9955604883462819 x 100 = -99.56%