77.16% is the change from 289 to 512
Calculation steps:
[( 512 - 289 ) ÷ 289] x 100 = 77.16%
Formula
Percentage change = [(512 - 289) / 289] x 100
Subtract the new number by the original number
512 - 289 = 223
223 ÷ 289 = 0.7716262975778547
0.7716262975778547 x 100 = 77.16%