-91.47% is the change from 387 to 33
Calculation steps:
[( 33 - 387 ) ÷ 387] x 100 = -91.47%
Formula
Percentage change = [(33 - 387) / 387] x 100
Subtract the new number by the original number
33 - 387 = -354
-354 ÷ 387 = -0.9147286821705426
-0.9147286821705426 x 100 = -91.47%