-56.18% is the change from 623 to 273
Calculation steps:
[( 273 - 623 ) ÷ 623] x 100 = -56.18%
Formula
Percentage change = [(273 - 623) / 623] x 100
Subtract the new number by the original number
273 - 623 = -350
-350 ÷ 623 = -0.5617977528089888
-0.5617977528089888 x 100 = -56.18%