74.61% is the change from 319 to 557
Calculation steps:
[( 557 - 319 ) ÷ 319] x 100 = 74.61%
Formula
Percentage change = [(557 - 319) / 319] x 100
Subtract the new number by the original number
557 - 319 = 238
238 ÷ 319 = 0.7460815047021944
0.7460815047021944 x 100 = 74.61%