-80.99% is the change from 142 to 27
Calculation steps:
[( 27 - 142 ) ÷ 142] x 100 = -80.99%
Formula
Percentage change = [(27 - 142) / 142] x 100
Subtract the new number by the original number
27 - 142 = -115
-115 ÷ 142 = -0.8098591549295775
-0.8098591549295775 x 100 = -80.99%