-91.02% is the change from 913 to 82
Calculation steps:
[( 82 - 913 ) ÷ 913] x 100 = -91.02%
Formula
Percentage change = [(82 - 913) / 913] x 100
Subtract the new number by the original number
82 - 913 = -831
-831 ÷ 913 = -0.9101861993428259
-0.9101861993428259 x 100 = -91.02%