62.15% is the change from 251 to 407
Calculation steps:
[( 407 - 251 ) ÷ 251] x 100 = 62.15%
Formula
Percentage change = [(407 - 251) / 251] x 100
Subtract the new number by the original number
407 - 251 = 156
156 ÷ 251 = 0.6215139442231076
0.6215139442231076 x 100 = 62.15%