-78.62% is the change from 159 to 34
Calculation steps:
[( 34 - 159 ) ÷ 159] x 100 = -78.62%
Formula
Percentage change = [(34 - 159) / 159] x 100
Subtract the new number by the original number
34 - 159 = -125
-125 ÷ 159 = -0.7861635220125787
-0.7861635220125787 x 100 = -78.62%