-85.01% is the change from 547 to 82
Calculation steps:
[( 82 - 547 ) ÷ 547] x 100 = -85.01%
Formula
Percentage change = [(82 - 547) / 547] x 100
Subtract the new number by the original number
82 - 547 = -465
-465 ÷ 547 = -0.850091407678245
-0.850091407678245 x 100 = -85.01%