-43.68% is the change from 277 to 156
Calculation steps:
[( 156 - 277 ) ÷ 277] x 100 = -43.68%
Formula
Percentage change = [(156 - 277) / 277] x 100
Subtract the new number by the original number
156 - 277 = -121
-121 ÷ 277 = -0.4368231046931408
-0.4368231046931408 x 100 = -43.68%