-20.99% is the change from 605 to 478
Calculation steps:
[( 478 - 605 ) ÷ 605] x 100 = -20.99%
Formula
Percentage change = [(478 - 605) / 605] x 100
Subtract the new number by the original number
478 - 605 = -127
-127 ÷ 605 = -0.20991735537190082
-0.20991735537190082 x 100 = -20.99%