-44.12% is the change from 34 to 19
Calculation steps:
[( 19 - 34 ) ÷ 34] x 100 = -44.12%
Formula
Percentage change = [(19 - 34) / 34] x 100
Subtract the new number by the original number
19 - 34 = -15
-15 ÷ 34 = -0.4411764705882353
-0.4411764705882353 x 100 = -44.12%