-63.28% is the change from 817 to 300
Calculation steps:
[( 300 - 817 ) ÷ 817] x 100 = -63.28%
Formula
Percentage change = [(300 - 817) / 817] x 100
Subtract the new number by the original number
300 - 817 = -517
-517 ÷ 817 = -0.6328029375764994
-0.6328029375764994 x 100 = -63.28%