79.64% is the change from 275 to 494
Calculation steps:
[( 494 - 275 ) ÷ 275] x 100 = 79.64%
Formula
Percentage change = [(494 - 275) / 275] x 100
Subtract the new number by the original number
494 - 275 = 219
219 ÷ 275 = 0.7963636363636364
0.7963636363636364 x 100 = 79.64%