-3.05% is the change from 131 to 127
Calculation steps:
[( 127 - 131 ) ÷ 131] x 100 = -3.05%
Formula
Percentage change = [(127 - 131) / 131] x 100
Subtract the new number by the original number
127 - 131 = -4
-4 ÷ 131 = -0.030534351145038167
-0.030534351145038167 x 100 = -3.05%