19.92% is the change from 251 to 301
Calculation steps:
[( 301 - 251 ) ÷ 251] x 100 = 19.92%
Formula
Percentage change = [(301 - 251) / 251] x 100
Subtract the new number by the original number
301 - 251 = 50
50 ÷ 251 = 0.199203187250996
0.199203187250996 x 100 = 19.92%