-83.02% is the change from 159 to 27
Calculation steps:
[( 27 - 159 ) ÷ 159] x 100 = -83.02%
Formula
Percentage change = [(27 - 159) / 159] x 100
Subtract the new number by the original number
27 - 159 = -132
-132 ÷ 159 = -0.8301886792452831
-0.8301886792452831 x 100 = -83.02%