-99.78% is the change from 902 to 2
Calculation steps:
[( 2 - 902 ) ÷ 902] x 100 = -99.78%
Formula
Percentage change = [(2 - 902) / 902] x 100
Subtract the new number by the original number
2 - 902 = -900
-900 ÷ 902 = -0.9977827050997783
-0.9977827050997783 x 100 = -99.78%