676.92% is the change from 65 to 505
Calculation steps:
[( 505 - 65 ) ÷ 65] x 100 = 676.92%
Formula
Percentage change = [(505 - 65) / 65] x 100
Subtract the new number by the original number
505 - 65 = 440
440 ÷ 65 = 6.769230769230769
6.769230769230769 x 100 = 676.92%