-80.92% is the change from 173 to 33
Calculation steps:
[( 33 - 173 ) ÷ 173] x 100 = -80.92%
Formula
Percentage change = [(33 - 173) / 173] x 100
Subtract the new number by the original number
33 - 173 = -140
-140 ÷ 173 = -0.8092485549132948
-0.8092485549132948 x 100 = -80.92%