-91.17% is the change from 827 to 73
Calculation steps:
[( 73 - 827 ) ÷ 827] x 100 = -91.17%
Formula
Percentage change = [(73 - 827) / 827] x 100
Subtract the new number by the original number
73 - 827 = -754
-754 ÷ 827 = -0.9117291414752116
-0.9117291414752116 x 100 = -91.17%