-92.23% is the change from 939 to 73
Calculation steps:
[( 73 - 939 ) ÷ 939] x 100 = -92.23%
Formula
Percentage change = [(73 - 939) / 939] x 100
Subtract the new number by the original number
73 - 939 = -866
-866 ÷ 939 = -0.9222577209797657
-0.9222577209797657 x 100 = -92.23%