18.48% is the change from 211 to 250
Calculation steps:
[( 250 - 211 ) ÷ 211] x 100 = 18.48%
Formula
Percentage change = [(250 - 211) / 211] x 100
Subtract the new number by the original number
250 - 211 = 39
39 ÷ 211 = 0.1848341232227488
0.1848341232227488 x 100 = 18.48%