284.27% is the change from 178 to 684
Calculation steps:
[( 684 - 178 ) ÷ 178] x 100 = 284.27%
Formula
Percentage change = [(684 - 178) / 178] x 100
Subtract the new number by the original number
684 - 178 = 506
506 ÷ 178 = 2.842696629213483
2.842696629213483 x 100 = 284.27%