1.21% is the change from 248 to 251
Calculation steps:
[( 251 - 248 ) ÷ 248] x 100 = 1.21%
Formula
Percentage change = [(251 - 248) / 248] x 100
Subtract the new number by the original number
251 - 248 = 3
3 ÷ 248 = 0.012096774193548387
0.012096774193548387 x 100 = 1.21%