79.1% is the change from 555 to 994
Calculation steps:
[( 994 - 555 ) ÷ 555] x 100 = 79.1%
Formula
Percentage change = [(994 - 555) / 555] x 100
Subtract the new number by the original number
994 - 555 = 439
439 ÷ 555 = 0.790990990990991
0.790990990990991 x 100 = 79.1%