-38.58% is the change from 127 to 78
Calculation steps:
[( 78 - 127 ) ÷ 127] x 100 = -38.58%
Formula
Percentage change = [(78 - 127) / 127] x 100
Subtract the new number by the original number
78 - 127 = -49
-49 ÷ 127 = -0.3858267716535433
-0.3858267716535433 x 100 = -38.58%