106.05% is the change from 248 to 511
Calculation steps:
[( 511 - 248 ) ÷ 248] x 100 = 106.05%
Formula
Percentage change = [(511 - 248) / 248] x 100
Subtract the new number by the original number
511 - 248 = 263
263 ÷ 248 = 1.060483870967742
1.060483870967742 x 100 = 106.05%