-17.02% is the change from 605 to 502
Calculation steps:
[( 502 - 605 ) ÷ 605] x 100 = -17.02%
Formula
Percentage change = [(502 - 605) / 605] x 100
Subtract the new number by the original number
502 - 605 = -103
-103 ÷ 605 = -0.17024793388429751
-0.17024793388429751 x 100 = -17.02%