77.45% is the change from 275 to 488
Calculation steps:
[( 488 - 275 ) ÷ 275] x 100 = 77.45%
Formula
Percentage change = [(488 - 275) / 275] x 100
Subtract the new number by the original number
488 - 275 = 213
213 ÷ 275 = 0.7745454545454545
0.7745454545454545 x 100 = 77.45%