67.72% is the change from 505 to 847
Calculation steps:
[( 847 - 505 ) ÷ 505] x 100 = 67.72%
Formula
Percentage change = [(847 - 505) / 505] x 100
Subtract the new number by the original number
847 - 505 = 342
342 ÷ 505 = 0.6772277227722773
0.6772277227722773 x 100 = 67.72%