31.78% is the change from 557 to 734
Calculation steps:
[( 734 - 557 ) ÷ 557] x 100 = 31.78%
Formula
Percentage change = [(734 - 557) / 557] x 100
Subtract the new number by the original number
734 - 557 = 177
177 ÷ 557 = 0.3177737881508079
0.3177737881508079 x 100 = 31.78%