-1.23% is the change from 162 to 160
Calculation steps:
[( 160 - 162 ) ÷ 162] x 100 = -1.23%
Formula
Percentage change = [(160 - 162) / 162] x 100
Subtract the new number by the original number
160 - 162 = -2
-2 ÷ 162 = -0.012345679012345678
-0.012345679012345678 x 100 = -1.23%