-43.48% is the change from 276 to 156
Calculation steps:
[( 156 - 276 ) ÷ 276] x 100 = -43.48%
Formula
Percentage change = [(156 - 276) / 276] x 100
Subtract the new number by the original number
156 - 276 = -120
-120 ÷ 276 = -0.43478260869565216
-0.43478260869565216 x 100 = -43.48%