-73.74% is the change from 99 to 26
Calculation steps:
[( 26 - 99 ) ÷ 99] x 100 = -73.74%
Formula
Percentage change = [(26 - 99) / 99] x 100
Subtract the new number by the original number
26 - 99 = -73
-73 ÷ 99 = -0.7373737373737373
-0.7373737373737373 x 100 = -73.74%