145.45% is the change from 275 to 675
Calculation steps:
[( 675 - 275 ) ÷ 275] x 100 = 145.45%
Formula
Percentage change = [(675 - 275) / 275] x 100
Subtract the new number by the original number
675 - 275 = 400
400 ÷ 275 = 1.4545454545454546
1.4545454545454546 x 100 = 145.45%