-90.78% is the change from 824 to 76
Calculation steps:
[( 76 - 824 ) ÷ 824] x 100 = -90.78%
Formula
Percentage change = [(76 - 824) / 824] x 100
Subtract the new number by the original number
76 - 824 = -748
-748 ÷ 824 = -0.9077669902912622
-0.9077669902912622 x 100 = -90.78%