74.6% is the change from 504 to 880
Calculation steps:
[( 880 - 504 ) ÷ 504] x 100 = 74.6%
Formula
Percentage change = [(880 - 504) / 504] x 100
Subtract the new number by the original number
880 - 504 = 376
376 ÷ 504 = 0.746031746031746
0.746031746031746 x 100 = 74.6%