18.36% is the change from 844 to 999
Calculation steps:
[( 999 - 844 ) ÷ 844] x 100 = 18.36%
Formula
Percentage change = [(999 - 844) / 844] x 100
Subtract the new number by the original number
999 - 844 = 155
155 ÷ 844 = 0.18364928909952608
0.18364928909952608 x 100 = 18.36%