-6.79% is the change from 486 to 453
Calculation steps:
[( 453 - 486 ) ÷ 486] x 100 = -6.79%
Formula
Percentage change = [(453 - 486) / 486] x 100
Subtract the new number by the original number
453 - 486 = -33
-33 ÷ 486 = -0.06790123456790123
-0.06790123456790123 x 100 = -6.79%