-56.49% is the change from 439 to 191
Calculation steps:
[( 191 - 439 ) ÷ 439] x 100 = -56.49%
Formula
Percentage change = [(191 - 439) / 439] x 100
Subtract the new number by the original number
191 - 439 = -248
-248 ÷ 439 = -0.5649202733485194
-0.5649202733485194 x 100 = -56.49%