83.06% is the change from 248 to 454
Calculation steps:
[( 454 - 248 ) ÷ 248] x 100 = 83.06%
Formula
Percentage change = [(454 - 248) / 248] x 100
Subtract the new number by the original number
454 - 248 = 206
206 ÷ 248 = 0.8306451612903226
0.8306451612903226 x 100 = 83.06%