-68.79% is the change from 439 to 137
Calculation steps:
[( 137 - 439 ) ÷ 439] x 100 = -68.79%
Formula
Percentage change = [(137 - 439) / 439] x 100
Subtract the new number by the original number
137 - 439 = -302
-302 ÷ 439 = -0.6879271070615034
-0.6879271070615034 x 100 = -68.79%