-79.73% is the change from 597 to 121
Calculation steps:
[( 121 - 597 ) ÷ 597] x 100 = -79.73%
Formula
Percentage change = [(121 - 597) / 597] x 100
Subtract the new number by the original number
121 - 597 = -476
-476 ÷ 597 = -0.7973199329983249
-0.7973199329983249 x 100 = -79.73%