78.2% is the change from 289 to 515
Calculation steps:
[( 515 - 289 ) ÷ 289] x 100 = 78.2%
Formula
Percentage change = [(515 - 289) / 289] x 100
Subtract the new number by the original number
515 - 289 = 226
226 ÷ 289 = 0.7820069204152249
0.7820069204152249 x 100 = 78.2%