171.08% is the change from 249 to 675
Calculation steps:
[( 675 - 249 ) ÷ 249] x 100 = 171.08%
Formula
Percentage change = [(675 - 249) / 249] x 100
Subtract the new number by the original number
675 - 249 = 426
426 ÷ 249 = 1.7108433734939759
1.7108433734939759 x 100 = 171.08%