-49.28% is the change from 276 to 140
Calculation steps:
[( 140 - 276 ) ÷ 276] x 100 = -49.28%
Formula
Percentage change = [(140 - 276) / 276] x 100
Subtract the new number by the original number
140 - 276 = -136
-136 ÷ 276 = -0.4927536231884058
-0.4927536231884058 x 100 = -49.28%