-4.2% is the change from 143 to 137
Calculation steps:
[( 137 - 143 ) ÷ 143] x 100 = -4.2%
Formula
Percentage change = [(137 - 143) / 143] x 100
Subtract the new number by the original number
137 - 143 = -6
-6 ÷ 143 = -0.04195804195804196
-0.04195804195804196 x 100 = -4.2%