66.27% is the change from 249 to 414
Calculation steps:
[( 414 - 249 ) ÷ 249] x 100 = 66.27%
Formula
Percentage change = [(414 - 249) / 249] x 100
Subtract the new number by the original number
414 - 249 = 165
165 ÷ 249 = 0.6626506024096386
0.6626506024096386 x 100 = 66.27%