-90.9% is the change from 824 to 75
Calculation steps:
[( 75 - 824 ) ÷ 824] x 100 = -90.9%
Formula
Percentage change = [(75 - 824) / 824] x 100
Subtract the new number by the original number
75 - 824 = -749
-749 ÷ 824 = -0.9089805825242718
-0.9089805825242718 x 100 = -90.9%