-37.8% is the change from 127 to 79
Calculation steps:
[( 79 - 127 ) ÷ 127] x 100 = -37.8%
Formula
Percentage change = [(79 - 127) / 127] x 100
Subtract the new number by the original number
79 - 127 = -48
-48 ÷ 127 = -0.3779527559055118
-0.3779527559055118 x 100 = -37.8%