-71.83% is the change from 497 to 140
Calculation steps:
[( 140 - 497 ) ÷ 497] x 100 = -71.83%
Formula
Percentage change = [(140 - 497) / 497] x 100
Subtract the new number by the original number
140 - 497 = -357
-357 ÷ 497 = -0.7183098591549296
-0.7183098591549296 x 100 = -71.83%