-94.85% is the change from 680 to 35
Calculation steps:
[( 35 - 680 ) ÷ 680] x 100 = -94.85%
Formula
Percentage change = [(35 - 680) / 680] x 100
Subtract the new number by the original number
35 - 680 = -645
-645 ÷ 680 = -0.9485294117647058
-0.9485294117647058 x 100 = -94.85%