-6.06% is the change from 99 to 93
Calculation steps:
[( 93 - 99 ) ÷ 99] x 100 = -6.06%
Formula
Percentage change = [(93 - 99) / 99] x 100
Subtract the new number by the original number
93 - 99 = -6
-6 ÷ 99 = -0.06060606060606061
-0.06060606060606061 x 100 = -6.06%