176.31% is the change from 249 to 688
Calculation steps:
[( 688 - 249 ) ÷ 249] x 100 = 176.31%
Formula
Percentage change = [(688 - 249) / 249] x 100
Subtract the new number by the original number
688 - 249 = 439
439 ÷ 249 = 1.7630522088353413
1.7630522088353413 x 100 = 176.31%