-92.68% is the change from 902 to 66
Calculation steps:
[( 66 - 902 ) ÷ 902] x 100 = -92.68%
Formula
Percentage change = [(66 - 902) / 902] x 100
Subtract the new number by the original number
66 - 902 = -836
-836 ÷ 902 = -0.926829268292683
-0.926829268292683 x 100 = -92.68%