57.7% is the change from 487 to 768
Calculation steps:
[( 768 - 487 ) ÷ 487] x 100 = 57.7%
Formula
Percentage change = [(768 - 487) / 487] x 100
Subtract the new number by the original number
768 - 487 = 281
281 ÷ 487 = 0.5770020533880903
0.5770020533880903 x 100 = 57.7%