78.92% is the change from 555 to 993
Calculation steps:
[( 993 - 555 ) ÷ 555] x 100 = 78.92%
Formula
Percentage change = [(993 - 555) / 555] x 100
Subtract the new number by the original number
993 - 555 = 438
438 ÷ 555 = 0.7891891891891892
0.7891891891891892 x 100 = 78.92%