-21.12% is the change from 606 to 478
Calculation steps:
[( 478 - 606 ) ÷ 606] x 100 = -21.12%
Formula
Percentage change = [(478 - 606) / 606] x 100
Subtract the new number by the original number
478 - 606 = -128
-128 ÷ 606 = -0.21122112211221122
-0.21122112211221122 x 100 = -21.12%