-62.07% is the change from 319 to 121
Calculation steps:
[( 121 - 319 ) ÷ 319] x 100 = -62.07%
Formula
Percentage change = [(121 - 319) / 319] x 100
Subtract the new number by the original number
121 - 319 = -198
-198 ÷ 319 = -0.6206896551724138
-0.6206896551724138 x 100 = -62.07%