67.86% is the change from 504 to 846
Calculation steps:
[( 846 - 504 ) ÷ 504] x 100 = 67.86%
Formula
Percentage change = [(846 - 504) / 504] x 100
Subtract the new number by the original number
846 - 504 = 342
342 ÷ 504 = 0.6785714285714286
0.6785714285714286 x 100 = 67.86%