-14.97% is the change from 187 to 159
Calculation steps:
[( 159 - 187 ) ÷ 187] x 100 = -14.97%
Formula
Percentage change = [(159 - 187) / 187] x 100
Subtract the new number by the original number
159 - 187 = -28
-28 ÷ 187 = -0.1497326203208556
-0.1497326203208556 x 100 = -14.97%