-82.98% is the change from 570 to 97
Calculation steps:
[( 97 - 570 ) ÷ 570] x 100 = -82.98%
Formula
Percentage change = [(97 - 570) / 570] x 100
Subtract the new number by the original number
97 - 570 = -473
-473 ÷ 570 = -0.8298245614035088
-0.8298245614035088 x 100 = -82.98%