-30.92% is the change from 731 to 505
Calculation steps:
[( 505 - 731 ) ÷ 731] x 100 = -30.92%
Formula
Percentage change = [(505 - 731) / 731] x 100
Subtract the new number by the original number
505 - 731 = -226
-226 ÷ 731 = -0.3091655266757866
-0.3091655266757866 x 100 = -30.92%