79.6% is the change from 505 to 907
Calculation steps:
[( 907 - 505 ) ÷ 505] x 100 = 79.6%
Formula
Percentage change = [(907 - 505) / 505] x 100
Subtract the new number by the original number
907 - 505 = 402
402 ÷ 505 = 0.7960396039603961
0.7960396039603961 x 100 = 79.6%