-60.95% is the change from 210 to 82
Calculation steps:
[( 82 - 210 ) ÷ 210] x 100 = -60.95%
Formula
Percentage change = [(82 - 210) / 210] x 100
Subtract the new number by the original number
82 - 210 = -128
-128 ÷ 210 = -0.6095238095238096
-0.6095238095238096 x 100 = -60.95%