174.59% is the change from 307 to 843
Calculation steps:
[( 843 - 307 ) ÷ 307] x 100 = 174.59%
Formula
Percentage change = [(843 - 307) / 307] x 100
Subtract the new number by the original number
843 - 307 = 536
536 ÷ 307 = 1.745928338762215
1.745928338762215 x 100 = 174.59%