-86.51% is the change from 897 to 121
Calculation steps:
[( 121 - 897 ) ÷ 897] x 100 = -86.51%
Formula
Percentage change = [(121 - 897) / 897] x 100
Subtract the new number by the original number
121 - 897 = -776
-776 ÷ 897 = -0.8651059085841695
-0.8651059085841695 x 100 = -86.51%