-42.12% is the change from 273 to 158
Calculation steps:
[( 158 - 273 ) ÷ 273] x 100 = -42.12%
Formula
Percentage change = [(158 - 273) / 273] x 100
Subtract the new number by the original number
158 - 273 = -115
-115 ÷ 273 = -0.42124542124542125
-0.42124542124542125 x 100 = -42.12%