-12.18% is the change from 156 to 137
Calculation steps:
[( 137 - 156 ) ÷ 156] x 100 = -12.18%
Formula
Percentage change = [(137 - 156) / 156] x 100
Subtract the new number by the original number
137 - 156 = -19
-19 ÷ 156 = -0.12179487179487179
-0.12179487179487179 x 100 = -12.18%