140.85% is the change from 284 to 684
Calculation steps:
[( 684 - 284 ) ÷ 284] x 100 = 140.85%
Formula
Percentage change = [(684 - 284) / 284] x 100
Subtract the new number by the original number
684 - 284 = 400
400 ÷ 284 = 1.408450704225352
1.408450704225352 x 100 = 140.85%