-2.41% is the change from 497 to 485
Calculation steps:
[( 485 - 497 ) ÷ 497] x 100 = -2.41%
Formula
Percentage change = [(485 - 497) / 497] x 100
Subtract the new number by the original number
485 - 497 = -12
-12 ÷ 497 = -0.02414486921529175
-0.02414486921529175 x 100 = -2.41%