-99.78% is the change from 901 to 2
Calculation steps:
[( 2 - 901 ) ÷ 901] x 100 = -99.78%
Formula
Percentage change = [(2 - 901) / 901] x 100
Subtract the new number by the original number
2 - 901 = -899
-899 ÷ 901 = -0.9977802441731409
-0.9977802441731409 x 100 = -99.78%