-44.87% is the change from 497 to 274
Calculation steps:
[( 274 - 497 ) ÷ 497] x 100 = -44.87%
Formula
Percentage change = [(274 - 497) / 497] x 100
Subtract the new number by the original number
274 - 497 = -223
-223 ÷ 497 = -0.448692152917505
-0.448692152917505 x 100 = -44.87%