168.67% is the change from 249 to 669
Calculation steps:
[( 669 - 249 ) ÷ 249] x 100 = 168.67%
Formula
Percentage change = [(669 - 249) / 249] x 100
Subtract the new number by the original number
669 - 249 = 420
420 ÷ 249 = 1.6867469879518073
1.6867469879518073 x 100 = 168.67%