76.07% is the change from 280 to 493
Calculation steps:
[( 493 - 280 ) ÷ 280] x 100 = 76.07%
Formula
Percentage change = [(493 - 280) / 280] x 100
Subtract the new number by the original number
493 - 280 = 213
213 ÷ 280 = 0.7607142857142857
0.7607142857142857 x 100 = 76.07%