173.7% is the change from 308 to 843
Calculation steps:
[( 843 - 308 ) ÷ 308] x 100 = 173.7%
Formula
Percentage change = [(843 - 308) / 308] x 100
Subtract the new number by the original number
843 - 308 = 535
535 ÷ 308 = 1.7370129870129871
1.7370129870129871 x 100 = 173.7%