-52.53% is the change from 99 to 47
Calculation steps:
[( 47 - 99 ) ÷ 99] x 100 = -52.53%
Formula
Percentage change = [(47 - 99) / 99] x 100
Subtract the new number by the original number
47 - 99 = -52
-52 ÷ 99 = -0.5252525252525253
-0.5252525252525253 x 100 = -52.53%