-19.5% is the change from 605 to 487
Calculation steps:
[( 487 - 605 ) ÷ 605] x 100 = -19.5%
Formula
Percentage change = [(487 - 605) / 605] x 100
Subtract the new number by the original number
487 - 605 = -118
-118 ÷ 605 = -0.19504132231404958
-0.19504132231404958 x 100 = -19.5%