18.5% is the change from 838 to 993
Calculation steps:
[( 993 - 838 ) ÷ 838] x 100 = 18.5%
Formula
Percentage change = [(993 - 838) / 838] x 100
Subtract the new number by the original number
993 - 838 = 155
155 ÷ 838 = 0.18496420047732698
0.18496420047732698 x 100 = 18.5%