-90.28% is the change from 247 to 24
Calculation steps:
[( 24 - 247 ) ÷ 247] x 100 = -90.28%
Formula
Percentage change = [(24 - 247) / 247] x 100
Subtract the new number by the original number
24 - 247 = -223
-223 ÷ 247 = -0.902834008097166
-0.902834008097166 x 100 = -90.28%