-18.99% is the change from 337 to 273
Calculation steps:
[( 273 - 337 ) ÷ 337] x 100 = -18.99%
Formula
Percentage change = [(273 - 337) / 337] x 100
Subtract the new number by the original number
273 - 337 = -64
-64 ÷ 337 = -0.18991097922848665
-0.18991097922848665 x 100 = -18.99%