77.09% is the change from 275 to 487
Calculation steps:
[( 487 - 275 ) ÷ 275] x 100 = 77.09%
Formula
Percentage change = [(487 - 275) / 275] x 100
Subtract the new number by the original number
487 - 275 = 212
212 ÷ 275 = 0.7709090909090909
0.7709090909090909 x 100 = 77.09%