40.75% is the change from 557 to 784
Calculation steps:
[( 784 - 557 ) ÷ 557] x 100 = 40.75%
Formula
Percentage change = [(784 - 557) / 557] x 100
Subtract the new number by the original number
784 - 557 = 227
227 ÷ 557 = 0.40754039497307004
0.40754039497307004 x 100 = 40.75%