-73.64% is the change from 497 to 131
Calculation steps:
[( 131 - 497 ) ÷ 497] x 100 = -73.64%
Formula
Percentage change = [(131 - 497) / 497] x 100
Subtract the new number by the original number
131 - 497 = -366
-366 ÷ 497 = -0.7364185110663984
-0.7364185110663984 x 100 = -73.64%