-78.74% is the change from 127 to 27
Calculation steps:
[( 27 - 127 ) ÷ 127] x 100 = -78.74%
Formula
Percentage change = [(27 - 127) / 127] x 100
Subtract the new number by the original number
27 - 127 = -100
-100 ÷ 127 = -0.7874015748031497
-0.7874015748031497 x 100 = -78.74%