66.53% is the change from 251 to 418
Calculation steps:
[( 418 - 251 ) ÷ 251] x 100 = 66.53%
Formula
Percentage change = [(418 - 251) / 251] x 100
Subtract the new number by the original number
418 - 251 = 167
167 ÷ 251 = 0.6653386454183267
0.6653386454183267 x 100 = 66.53%