108.16% is the change from 245 to 510
Calculation steps:
[( 510 - 245 ) ÷ 245] x 100 = 108.16%
Formula
Percentage change = [(510 - 245) / 245] x 100
Subtract the new number by the original number
510 - 245 = 265
265 ÷ 245 = 1.0816326530612246
1.0816326530612246 x 100 = 108.16%