77.99% is the change from 268 to 477
Calculation steps:
[( 477 - 268 ) ÷ 268] x 100 = 77.99%
Formula
Percentage change = [(477 - 268) / 268] x 100
Subtract the new number by the original number
477 - 268 = 209
209 ÷ 268 = 0.7798507462686567
0.7798507462686567 x 100 = 77.99%