-79.64% is the change from 167 to 34
Calculation steps:
[( 34 - 167 ) ÷ 167] x 100 = -79.64%
Formula
Percentage change = [(34 - 167) / 167] x 100
Subtract the new number by the original number
34 - 167 = -133
-133 ÷ 167 = -0.7964071856287425
-0.7964071856287425 x 100 = -79.64%