109.18% is the change from 403 to 843
Calculation steps:
[( 843 - 403 ) ÷ 403] x 100 = 109.18%
Formula
Percentage change = [(843 - 403) / 403] x 100
Subtract the new number by the original number
843 - 403 = 440
440 ÷ 403 = 1.0918114143920596
1.0918114143920596 x 100 = 109.18%