150.55% is the change from 273 to 684
Calculation steps:
[( 684 - 273 ) ÷ 273] x 100 = 150.55%
Formula
Percentage change = [(684 - 273) / 273] x 100
Subtract the new number by the original number
684 - 273 = 411
411 ÷ 273 = 1.5054945054945055
1.5054945054945055 x 100 = 150.55%