174.3% is the change from 249 to 683
Calculation steps:
[( 683 - 249 ) ÷ 249] x 100 = 174.3%
Formula
Percentage change = [(683 - 249) / 249] x 100
Subtract the new number by the original number
683 - 249 = 434
434 ÷ 249 = 1.7429718875502007
1.7429718875502007 x 100 = 174.3%