-78.71% is the change from 155 to 33
Calculation steps:
[( 33 - 155 ) ÷ 155] x 100 = -78.71%
Formula
Percentage change = [(33 - 155) / 155] x 100
Subtract the new number by the original number
33 - 155 = -122
-122 ÷ 155 = -0.7870967741935484
-0.7870967741935484 x 100 = -78.71%