-55.17% is the change from 609 to 273
Calculation steps:
[( 273 - 609 ) ÷ 609] x 100 = -55.17%
Formula
Percentage change = [(273 - 609) / 609] x 100
Subtract the new number by the original number
273 - 609 = -336
-336 ÷ 609 = -0.5517241379310345
-0.5517241379310345 x 100 = -55.17%