14.85% is the change from 485 to 557
Calculation steps:
[( 557 - 485 ) ÷ 485] x 100 = 14.85%
Formula
Percentage change = [(557 - 485) / 485] x 100
Subtract the new number by the original number
557 - 485 = 72
72 ÷ 485 = 0.14845360824742268
0.14845360824742268 x 100 = 14.85%