-21.55% is the change from 348 to 273
Calculation steps:
[( 273 - 348 ) ÷ 348] x 100 = -21.55%
Formula
Percentage change = [(273 - 348) / 348] x 100
Subtract the new number by the original number
273 - 348 = -75
-75 ÷ 348 = -0.21551724137931033
-0.21551724137931033 x 100 = -21.55%