-51.02% is the change from 49 to 24
Calculation steps:
[( 24 - 49 ) ÷ 49] x 100 = -51.02%
Formula
Percentage change = [(24 - 49) / 49] x 100
Subtract the new number by the original number
24 - 49 = -25
-25 ÷ 49 = -0.5102040816326531
-0.5102040816326531 x 100 = -51.02%