-49.46% is the change from 277 to 140
Calculation steps:
[( 140 - 277 ) ÷ 277] x 100 = -49.46%
Formula
Percentage change = [(140 - 277) / 277] x 100
Subtract the new number by the original number
140 - 277 = -137
-137 ÷ 277 = -0.49458483754512633
-0.49458483754512633 x 100 = -49.46%