78.6% is the change from 556 to 993
Calculation steps:
[( 993 - 556 ) ÷ 556] x 100 = 78.6%
Formula
Percentage change = [(993 - 556) / 556] x 100
Subtract the new number by the original number
993 - 556 = 437
437 ÷ 556 = 0.7859712230215827
0.7859712230215827 x 100 = 78.6%