-1.26% is the change from 159 to 157
Calculation steps:
[( 157 - 159 ) ÷ 159] x 100 = -1.26%
Formula
Percentage change = [(157 - 159) / 159] x 100
Subtract the new number by the original number
157 - 159 = -2
-2 ÷ 159 = -0.012578616352201259
-0.012578616352201259 x 100 = -1.26%