-76.22% is the change from 143 to 34
Calculation steps:
[( 34 - 143 ) ÷ 143] x 100 = -76.22%
Formula
Percentage change = [(34 - 143) / 143] x 100
Subtract the new number by the original number
34 - 143 = -109
-109 ÷ 143 = -0.7622377622377622
-0.7622377622377622 x 100 = -76.22%