67.26% is the change from 504 to 843
Calculation steps:
[( 843 - 504 ) ÷ 504] x 100 = 67.26%
Formula
Percentage change = [(843 - 504) / 504] x 100
Subtract the new number by the original number
843 - 504 = 339
339 ÷ 504 = 0.6726190476190477
0.6726190476190477 x 100 = 67.26%