64.94% is the change from 251 to 414
Calculation steps:
[( 414 - 251 ) ÷ 251] x 100 = 64.94%
Formula
Percentage change = [(414 - 251) / 251] x 100
Subtract the new number by the original number
414 - 251 = 163
163 ÷ 251 = 0.649402390438247
0.649402390438247 x 100 = 64.94%