-25.19% is the change from 675 to 505
Calculation steps:
[( 505 - 675 ) ÷ 675] x 100 = -25.19%
Formula
Percentage change = [(505 - 675) / 675] x 100
Subtract the new number by the original number
505 - 675 = -170
-170 ÷ 675 = -0.2518518518518518
-0.2518518518518518 x 100 = -25.19%