-94.34% is the change from 689 to 39
Calculation steps:
[( 39 - 689 ) ÷ 689] x 100 = -94.34%
Formula
Percentage change = [(39 - 689) / 689] x 100
Subtract the new number by the original number
39 - 689 = -650
-650 ÷ 689 = -0.9433962264150944
-0.9433962264150944 x 100 = -94.34%