80.36% is the change from 550 to 992
Calculation steps:
[( 992 - 550 ) ÷ 550] x 100 = 80.36%
Formula
Percentage change = [(992 - 550) / 550] x 100
Subtract the new number by the original number
992 - 550 = 442
442 ÷ 550 = 0.8036363636363636
0.8036363636363636 x 100 = 80.36%