-89.46% is the change from 313 to 33
Calculation steps:
[( 33 - 313 ) ÷ 313] x 100 = -89.46%
Formula
Percentage change = [(33 - 313) / 313] x 100
Subtract the new number by the original number
33 - 313 = -280
-280 ÷ 313 = -0.8945686900958466
-0.8945686900958466 x 100 = -89.46%