94.64% is the change from 280 to 545
Calculation steps:
[( 545 - 280 ) ÷ 280] x 100 = 94.64%
Formula
Percentage change = [(545 - 280) / 280] x 100
Subtract the new number by the original number
545 - 280 = 265
265 ÷ 280 = 0.9464285714285714
0.9464285714285714 x 100 = 94.64%