87.1% is the change from 504 to 943
Calculation steps:
[( 943 - 504 ) ÷ 504] x 100 = 87.1%
Formula
Percentage change = [(943 - 504) / 504] x 100
Subtract the new number by the original number
943 - 504 = 439
439 ÷ 504 = 0.871031746031746
0.871031746031746 x 100 = 87.1%