-57.87% is the change from 648 to 273
Calculation steps:
[( 273 - 648 ) ÷ 648] x 100 = -57.87%
Formula
Percentage change = [(273 - 648) / 648] x 100
Subtract the new number by the original number
273 - 648 = -375
-375 ÷ 648 = -0.5787037037037037
-0.5787037037037037 x 100 = -57.87%