-94.78% is the change from 651 to 34
Calculation steps:
[( 34 - 651 ) ÷ 651] x 100 = -94.78%
Formula
Percentage change = [(34 - 651) / 651] x 100
Subtract the new number by the original number
34 - 651 = -617
-617 ÷ 651 = -0.9477726574500768
-0.9477726574500768 x 100 = -94.78%