-80.03% is the change from 606 to 121
Calculation steps:
[( 121 - 606 ) ÷ 606] x 100 = -80.03%
Formula
Percentage change = [(121 - 606) / 606] x 100
Subtract the new number by the original number
121 - 606 = -485
-485 ÷ 606 = -0.8003300330033003
-0.8003300330033003 x 100 = -80.03%