-88.6% is the change from 307 to 35
Calculation steps:
[( 35 - 307 ) ÷ 307] x 100 = -88.6%
Formula
Percentage change = [(35 - 307) / 307] x 100
Subtract the new number by the original number
35 - 307 = -272
-272 ÷ 307 = -0.8859934853420195
-0.8859934853420195 x 100 = -88.6%