-28.15% is the change from 675 to 485
Calculation steps:
[( 485 - 675 ) ÷ 675] x 100 = -28.15%
Formula
Percentage change = [(485 - 675) / 675] x 100
Subtract the new number by the original number
485 - 675 = -190
-190 ÷ 675 = -0.2814814814814815
-0.2814814814814815 x 100 = -28.15%