-78.85% is the change from 156 to 33
Calculation steps:
[( 33 - 156 ) ÷ 156] x 100 = -78.85%
Formula
Percentage change = [(33 - 156) / 156] x 100
Subtract the new number by the original number
33 - 156 = -123
-123 ÷ 156 = -0.7884615384615384
-0.7884615384615384 x 100 = -78.85%