-77.6% is the change from 366 to 82
Calculation steps:
[( 82 - 366 ) ÷ 366] x 100 = -77.6%
Formula
Percentage change = [(82 - 366) / 366] x 100
Subtract the new number by the original number
82 - 366 = -284
-284 ÷ 366 = -0.7759562841530054
-0.7759562841530054 x 100 = -77.6%