101.85% is the change from 270 to 545
Calculation steps:
[( 545 - 270 ) ÷ 270] x 100 = 101.85%
Formula
Percentage change = [(545 - 270) / 270] x 100
Subtract the new number by the original number
545 - 270 = 275
275 ÷ 270 = 1.0185185185185186
1.0185185185185186 x 100 = 101.85%