86.9% is the change from 504 to 942
Calculation steps:
[( 942 - 504 ) ÷ 504] x 100 = 86.9%
Formula
Percentage change = [(942 - 504) / 504] x 100
Subtract the new number by the original number
942 - 504 = 438
438 ÷ 504 = 0.8690476190476191
0.8690476190476191 x 100 = 86.9%