77.3% is the change from 555 to 984
Calculation steps:
[( 984 - 555 ) ÷ 555] x 100 = 77.3%
Formula
Percentage change = [(984 - 555) / 555] x 100
Subtract the new number by the original number
984 - 555 = 429
429 ÷ 555 = 0.772972972972973
0.772972972972973 x 100 = 77.3%