177.11% is the change from 249 to 690
Calculation steps:
[( 690 - 249 ) ÷ 249] x 100 = 177.11%
Formula
Percentage change = [(690 - 249) / 249] x 100
Subtract the new number by the original number
690 - 249 = 441
441 ÷ 249 = 1.7710843373493976
1.7710843373493976 x 100 = 177.11%