-51.52% is the change from 33 to 16
Calculation steps:
[( 16 - 33 ) ÷ 33] x 100 = -51.52%
Formula
Percentage change = [(16 - 33) / 33] x 100
Subtract the new number by the original number
16 - 33 = -17
-17 ÷ 33 = -0.5151515151515151
-0.5151515151515151 x 100 = -51.52%