-76.38% is the change from 127 to 30
Calculation steps:
[( 30 - 127 ) ÷ 127] x 100 = -76.38%
Formula
Percentage change = [(30 - 127) / 127] x 100
Subtract the new number by the original number
30 - 127 = -97
-97 ÷ 127 = -0.7637795275590551
-0.7637795275590551 x 100 = -76.38%