175.9% is the change from 249 to 687
Calculation steps:
[( 687 - 249 ) ÷ 249] x 100 = 175.9%
Formula
Percentage change = [(687 - 249) / 249] x 100
Subtract the new number by the original number
687 - 249 = 438
438 ÷ 249 = 1.7590361445783131
1.7590361445783131 x 100 = 175.9%