56.42% is the change from 491 to 768
Calculation steps:
[( 768 - 491 ) ÷ 491] x 100 = 56.42%
Formula
Percentage change = [(768 - 491) / 491] x 100
Subtract the new number by the original number
768 - 491 = 277
277 ÷ 491 = 0.5641547861507128
0.5641547861507128 x 100 = 56.42%