78.1% is the change from 557 to 992
Calculation steps:
[( 992 - 557 ) ÷ 557] x 100 = 78.1%
Formula
Percentage change = [(992 - 557) / 557] x 100
Subtract the new number by the original number
992 - 557 = 435
435 ÷ 557 = 0.7809694793536804
0.7809694793536804 x 100 = 78.1%