-6.97% is the change from 531 to 494
Calculation steps:
[( 494 - 531 ) ÷ 531] x 100 = -6.97%
Formula
Percentage change = [(494 - 531) / 531] x 100
Subtract the new number by the original number
494 - 531 = -37
-37 ÷ 531 = -0.0696798493408663
-0.0696798493408663 x 100 = -6.97%