-7.97% is the change from 138 to 127
Calculation steps:
[( 127 - 138 ) ÷ 138] x 100 = -7.97%
Formula
Percentage change = [(127 - 138) / 138] x 100
Subtract the new number by the original number
127 - 138 = -11
-11 ÷ 138 = -0.07971014492753623
-0.07971014492753623 x 100 = -7.97%