-94.51% is the change from 619 to 34
Calculation steps:
[( 34 - 619 ) ÷ 619] x 100 = -94.51%
Formula
Percentage change = [(34 - 619) / 619] x 100
Subtract the new number by the original number
34 - 619 = -585
-585 ÷ 619 = -0.9450726978998385
-0.9450726978998385 x 100 = -94.51%