-43.84% is the change from 276 to 155
Calculation steps:
[( 155 - 276 ) ÷ 276] x 100 = -43.84%
Formula
Percentage change = [(155 - 276) / 276] x 100
Subtract the new number by the original number
155 - 276 = -121
-121 ÷ 276 = -0.4384057971014493
-0.4384057971014493 x 100 = -43.84%