-89.25% is the change from 307 to 33
Calculation steps:
[( 33 - 307 ) ÷ 307] x 100 = -89.25%
Formula
Percentage change = [(33 - 307) / 307] x 100
Subtract the new number by the original number
33 - 307 = -274
-274 ÷ 307 = -0.8925081433224755
-0.8925081433224755 x 100 = -89.25%