-95.17% is the change from 497 to 24
Calculation steps:
[( 24 - 497 ) ÷ 497] x 100 = -95.17%
Formula
Percentage change = [(24 - 497) / 497] x 100
Subtract the new number by the original number
24 - 497 = -473
-473 ÷ 497 = -0.9517102615694165
-0.9517102615694165 x 100 = -95.17%