-32.19% is the change from 497 to 337
Calculation steps:
[( 337 - 497 ) ÷ 497] x 100 = -32.19%
Formula
Percentage change = [(337 - 497) / 497] x 100
Subtract the new number by the original number
337 - 497 = -160
-160 ÷ 497 = -0.32193158953722334
-0.32193158953722334 x 100 = -32.19%