-82.51% is the change from 972 to 170
Calculation steps:
[( 170 - 972 ) ÷ 972] x 100 = -82.51%
Formula
Percentage change = [(170 - 972) / 972] x 100
Subtract the new number by the original number
170 - 972 = -802
-802 ÷ 972 = -0.8251028806584362
-0.8251028806584362 x 100 = -82.51%