81.99% is the change from 544 to 990
Calculation steps:
[( 990 - 544 ) ÷ 544] x 100 = 81.99%
Formula
Percentage change = [(990 - 544) / 544] x 100
Subtract the new number by the original number
990 - 544 = 446
446 ÷ 544 = 0.8198529411764706
0.8198529411764706 x 100 = 81.99%