-94.31% is the change from 615 to 35
Calculation steps:
[( 35 - 615 ) ÷ 615] x 100 = -94.31%
Formula
Percentage change = [(35 - 615) / 615] x 100
Subtract the new number by the original number
35 - 615 = -580
-580 ÷ 615 = -0.943089430894309
-0.943089430894309 x 100 = -94.31%