-80.2% is the change from 606 to 120
Calculation steps:
[( 120 - 606 ) ÷ 606] x 100 = -80.2%
Formula
Percentage change = [(120 - 606) / 606] x 100
Subtract the new number by the original number
120 - 606 = -486
-486 ÷ 606 = -0.801980198019802
-0.801980198019802 x 100 = -80.2%