77.96% is the change from 313 to 557
Calculation steps:
[( 557 - 313 ) ÷ 313] x 100 = 77.96%
Formula
Percentage change = [(557 - 313) / 313] x 100
Subtract the new number by the original number
557 - 313 = 244
244 ÷ 313 = 0.7795527156549521
0.7795527156549521 x 100 = 77.96%