77.8% is the change from 482 to 857
Calculation steps:
[( 857 - 482 ) ÷ 482] x 100 = 77.8%
Formula
Percentage change = [(857 - 482) / 482] x 100
Subtract the new number by the original number
857 - 482 = 375
375 ÷ 482 = 0.7780082987551867
0.7780082987551867 x 100 = 77.8%