-42.39% is the change from 276 to 159
Calculation steps:
[( 159 - 276 ) ÷ 276] x 100 = -42.39%
Formula
Percentage change = [(159 - 276) / 276] x 100
Subtract the new number by the original number
159 - 276 = -117
-117 ÷ 276 = -0.42391304347826086
-0.42391304347826086 x 100 = -42.39%