-44.29% is the change from 490 to 273
Calculation steps:
[( 273 - 490 ) ÷ 490] x 100 = -44.29%
Formula
Percentage change = [(273 - 490) / 490] x 100
Subtract the new number by the original number
273 - 490 = -217
-217 ÷ 490 = -0.44285714285714284
-0.44285714285714284 x 100 = -44.29%