-18.18% is the change from 605 to 495
Calculation steps:
[( 495 - 605 ) ÷ 605] x 100 = -18.18%
Formula
Percentage change = [(495 - 605) / 605] x 100
Subtract the new number by the original number
495 - 605 = -110
-110 ÷ 605 = -0.18181818181818182
-0.18181818181818182 x 100 = -18.18%