-91.61% is the change from 977 to 82
Calculation steps:
[( 82 - 977 ) ÷ 977] x 100 = -91.61%
Formula
Percentage change = [(82 - 977) / 977] x 100
Subtract the new number by the original number
82 - 977 = -895
-895 ÷ 977 = -0.9160696008188332
-0.9160696008188332 x 100 = -91.61%