-40.24% is the change from 497 to 297
Calculation steps:
[( 297 - 497 ) ÷ 497] x 100 = -40.24%
Formula
Percentage change = [(297 - 497) / 497] x 100
Subtract the new number by the original number
297 - 497 = -200
-200 ÷ 497 = -0.4024144869215292
-0.4024144869215292 x 100 = -40.24%