-80.71% is the change from 140 to 27
Calculation steps:
[( 27 - 140 ) ÷ 140] x 100 = -80.71%
Formula
Percentage change = [(27 - 140) / 140] x 100
Subtract the new number by the original number
27 - 140 = -113
-113 ÷ 140 = -0.8071428571428572
-0.8071428571428572 x 100 = -80.71%