112.78% is the change from 399 to 849
Calculation steps:
[( 849 - 399 ) ÷ 399] x 100 = 112.78%
Formula
Percentage change = [(849 - 399) / 399] x 100
Subtract the new number by the original number
849 - 399 = 450
450 ÷ 399 = 1.1278195488721805
1.1278195488721805 x 100 = 112.78%