-66.74% is the change from 439 to 146
Calculation steps:
[( 146 - 439 ) ÷ 439] x 100 = -66.74%
Formula
Percentage change = [(146 - 439) / 439] x 100
Subtract the new number by the original number
146 - 439 = -293
-293 ÷ 439 = -0.6674259681093394
-0.6674259681093394 x 100 = -66.74%