79.64% is the change from 555 to 997
Calculation steps:
[( 997 - 555 ) ÷ 555] x 100 = 79.64%
Formula
Percentage change = [(997 - 555) / 555] x 100
Subtract the new number by the original number
997 - 555 = 442
442 ÷ 555 = 0.7963963963963964
0.7963963963963964 x 100 = 79.64%