-84.56% is the change from 149 to 23
Calculation steps:
[( 23 - 149 ) ÷ 149] x 100 = -84.56%
Formula
Percentage change = [(23 - 149) / 149] x 100
Subtract the new number by the original number
23 - 149 = -126
-126 ÷ 149 = -0.8456375838926175
-0.8456375838926175 x 100 = -84.56%