55.27% is the change from 275 to 427
Calculation steps:
[( 427 - 275 ) ÷ 275] x 100 = 55.27%
Formula
Percentage change = [(427 - 275) / 275] x 100
Subtract the new number by the original number
427 - 275 = 152
152 ÷ 275 = 0.5527272727272727
0.5527272727272727 x 100 = 55.27%