-77.18% is the change from 149 to 34
Calculation steps:
[( 34 - 149 ) ÷ 149] x 100 = -77.18%
Formula
Percentage change = [(34 - 149) / 149] x 100
Subtract the new number by the original number
34 - 149 = -115
-115 ÷ 149 = -0.7718120805369127
-0.7718120805369127 x 100 = -77.18%