-22.13% is the change from 497 to 387
Calculation steps:
[( 387 - 497 ) ÷ 497] x 100 = -22.13%
Formula
Percentage change = [(387 - 497) / 497] x 100
Subtract the new number by the original number
387 - 497 = -110
-110 ÷ 497 = -0.22132796780684105
-0.22132796780684105 x 100 = -22.13%