-99.01% is the change from 302 to 3
Calculation steps:
[( 3 - 302 ) ÷ 302] x 100 = -99.01%
Formula
Percentage change = [(3 - 302) / 302] x 100
Subtract the new number by the original number
3 - 302 = -299
-299 ÷ 302 = -0.9900662251655629
-0.9900662251655629 x 100 = -99.01%