-21.1% is the change from 346 to 273
Calculation steps:
[( 273 - 346 ) ÷ 346] x 100 = -21.1%
Formula
Percentage change = [(273 - 346) / 346] x 100
Subtract the new number by the original number
273 - 346 = -73
-73 ÷ 346 = -0.21098265895953758
-0.21098265895953758 x 100 = -21.1%