45.6% is the change from 557 to 811
Calculation steps:
[( 811 - 557 ) ÷ 557] x 100 = 45.6%
Formula
Percentage change = [(811 - 557) / 557] x 100
Subtract the new number by the original number
811 - 557 = 254
254 ÷ 557 = 0.45601436265709155
0.45601436265709155 x 100 = 45.6%