-81.51% is the change from 146 to 27
Calculation steps:
[( 27 - 146 ) ÷ 146] x 100 = -81.51%
Formula
Percentage change = [(27 - 146) / 146] x 100
Subtract the new number by the original number
27 - 146 = -119
-119 ÷ 146 = -0.815068493150685
-0.815068493150685 x 100 = -81.51%