-11.24% is the change from 169 to 150
Calculation steps:
[( 150 - 169 ) ÷ 169] x 100 = -11.24%
Formula
Percentage change = [(150 - 169) / 169] x 100
Subtract the new number by the original number
150 - 169 = -19
-19 ÷ 169 = -0.11242603550295859
-0.11242603550295859 x 100 = -11.24%