447.74% is the change from 155 to 849
Calculation steps:
[( 849 - 155 ) ÷ 155] x 100 = 447.74%
Formula
Percentage change = [(849 - 155) / 155] x 100
Subtract the new number by the original number
849 - 155 = 694
694 ÷ 155 = 4.47741935483871
4.47741935483871 x 100 = 447.74%