-87.4% is the change from 651 to 82
Calculation steps:
[( 82 - 651 ) ÷ 651] x 100 = -87.4%
Formula
Percentage change = [(82 - 651) / 651] x 100
Subtract the new number by the original number
82 - 651 = -569
-569 ÷ 651 = -0.8740399385560675
-0.8740399385560675 x 100 = -87.4%