82.14% is the change from 504 to 918
Calculation steps:
[( 918 - 504 ) ÷ 504] x 100 = 82.14%
Formula
Percentage change = [(918 - 504) / 504] x 100
Subtract the new number by the original number
918 - 504 = 414
414 ÷ 504 = 0.8214285714285714
0.8214285714285714 x 100 = 82.14%