-43.86% is the change from 497 to 279
Calculation steps:
[( 279 - 497 ) ÷ 497] x 100 = -43.86%
Formula
Percentage change = [(279 - 497) / 497] x 100
Subtract the new number by the original number
279 - 497 = -218
-218 ÷ 497 = -0.4386317907444668
-0.4386317907444668 x 100 = -43.86%