-79.7% is the change from 133 to 27
Calculation steps:
[( 27 - 133 ) ÷ 133] x 100 = -79.7%
Formula
Percentage change = [(27 - 133) / 133] x 100
Subtract the new number by the original number
27 - 133 = -106
-106 ÷ 133 = -0.7969924812030075
-0.7969924812030075 x 100 = -79.7%