-19.8% is the change from 606 to 486
Calculation steps:
[( 486 - 606 ) ÷ 606] x 100 = -19.8%
Formula
Percentage change = [(486 - 606) / 606] x 100
Subtract the new number by the original number
486 - 606 = -120
-120 ÷ 606 = -0.19801980198019803
-0.19801980198019803 x 100 = -19.8%