68.45% is the change from 504 to 849
Calculation steps:
[( 849 - 504 ) ÷ 504] x 100 = 68.45%
Formula
Percentage change = [(849 - 504) / 504] x 100
Subtract the new number by the original number
849 - 504 = 345
345 ÷ 504 = 0.6845238095238095
0.6845238095238095 x 100 = 68.45%