-99.78% is the change from 904 to 2
Calculation steps:
[( 2 - 904 ) ÷ 904] x 100 = -99.78%
Formula
Percentage change = [(2 - 904) / 904] x 100
Subtract the new number by the original number
2 - 904 = -902
-902 ÷ 904 = -0.9977876106194691
-0.9977876106194691 x 100 = -99.78%