-26.18% is the change from 657 to 485
Calculation steps:
[( 485 - 657 ) ÷ 657] x 100 = -26.18%
Formula
Percentage change = [(485 - 657) / 657] x 100
Subtract the new number by the original number
485 - 657 = -172
-172 ÷ 657 = -0.2617960426179604
-0.2617960426179604 x 100 = -26.18%