82.77% is the change from 505 to 923
Calculation steps:
[( 923 - 505 ) ÷ 505] x 100 = 82.77%
Formula
Percentage change = [(923 - 505) / 505] x 100
Subtract the new number by the original number
923 - 505 = 418
418 ÷ 505 = 0.8277227722772277
0.8277227722772277 x 100 = 82.77%