-79.93% is the change from 603 to 121
Calculation steps:
[( 121 - 603 ) ÷ 603] x 100 = -79.93%
Formula
Percentage change = [(121 - 603) / 603] x 100
Subtract the new number by the original number
121 - 603 = -482
-482 ÷ 603 = -0.7993366500829188
-0.7993366500829188 x 100 = -79.93%