80.95% is the change from 273 to 494
Calculation steps:
[( 494 - 273 ) ÷ 273] x 100 = 80.95%
Formula
Percentage change = [(494 - 273) / 273] x 100
Subtract the new number by the original number
494 - 273 = 221
221 ÷ 273 = 0.8095238095238095
0.8095238095238095 x 100 = 80.95%