-78.88% is the change from 161 to 34
Calculation steps:
[( 34 - 161 ) ÷ 161] x 100 = -78.88%
Formula
Percentage change = [(34 - 161) / 161] x 100
Subtract the new number by the original number
34 - 161 = -127
-127 ÷ 161 = -0.7888198757763976
-0.7888198757763976 x 100 = -78.88%