-94.99% is the change from 679 to 34
Calculation steps:
[( 34 - 679 ) ÷ 679] x 100 = -94.99%
Formula
Percentage change = [(34 - 679) / 679] x 100
Subtract the new number by the original number
34 - 679 = -645
-645 ÷ 679 = -0.9499263622974963
-0.9499263622974963 x 100 = -94.99%