73.43% is the change from 557 to 966
Calculation steps:
[( 966 - 557 ) ÷ 557] x 100 = 73.43%
Formula
Percentage change = [(966 - 557) / 557] x 100
Subtract the new number by the original number
966 - 557 = 409
409 ÷ 557 = 0.7342908438061041
0.7342908438061041 x 100 = 73.43%