161.34% is the change from 344 to 899
Calculation steps:
[( 899 - 344 ) ÷ 344] x 100 = 161.34%
Formula
Percentage change = [(899 - 344) / 344] x 100
Subtract the new number by the original number
899 - 344 = 555
555 ÷ 344 = 1.6133720930232558
1.6133720930232558 x 100 = 161.34%