-28.35% is the change from 127 to 91
Calculation steps:
[( 91 - 127 ) ÷ 127] x 100 = -28.35%
Formula
Percentage change = [(91 - 127) / 127] x 100
Subtract the new number by the original number
91 - 127 = -36
-36 ÷ 127 = -0.28346456692913385
-0.28346456692913385 x 100 = -28.35%