-92.01% is the change from 826 to 66
Calculation steps:
[( 66 - 826 ) ÷ 826] x 100 = -92.01%
Formula
Percentage change = [(66 - 826) / 826] x 100
Subtract the new number by the original number
66 - 826 = -760
-760 ÷ 826 = -0.9200968523002422
-0.9200968523002422 x 100 = -92.01%