-93.94% is the change from 99 to 6
Calculation steps:
[( 6 - 99 ) ÷ 99] x 100 = -93.94%
Formula
Percentage change = [(6 - 99) / 99] x 100
Subtract the new number by the original number
6 - 99 = -93
-93 ÷ 99 = -0.9393939393939394
-0.9393939393939394 x 100 = -93.94%