-4.38% is the change from 137 to 131
Calculation steps:
[( 131 - 137 ) ÷ 137] x 100 = -4.38%
Formula
Percentage change = [(131 - 137) / 137] x 100
Subtract the new number by the original number
131 - 137 = -6
-6 ÷ 137 = -0.043795620437956206
-0.043795620437956206 x 100 = -4.38%