-93.7% is the change from 619 to 39
Calculation steps:
[( 39 - 619 ) ÷ 619] x 100 = -93.7%
Formula
Percentage change = [(39 - 619) / 619] x 100
Subtract the new number by the original number
39 - 619 = -580
-580 ÷ 619 = -0.9369951534733441
-0.9369951534733441 x 100 = -93.7%