18.27% is the change from 843 to 997
Calculation steps:
[( 997 - 843 ) ÷ 843] x 100 = 18.27%
Formula
Percentage change = [(997 - 843) / 843] x 100
Subtract the new number by the original number
997 - 843 = 154
154 ÷ 843 = 0.1826809015421115
0.1826809015421115 x 100 = 18.27%