92.14% is the change from 280 to 538
Calculation steps:
[( 538 - 280 ) ÷ 280] x 100 = 92.14%
Formula
Percentage change = [(538 - 280) / 280] x 100
Subtract the new number by the original number
538 - 280 = 258
258 ÷ 280 = 0.9214285714285714
0.9214285714285714 x 100 = 92.14%