-81.35% is the change from 445 to 83
Calculation steps:
[( 83 - 445 ) ÷ 445] x 100 = -81.35%
Formula
Percentage change = [(83 - 445) / 445] x 100
Subtract the new number by the original number
83 - 445 = -362
-362 ÷ 445 = -0.8134831460674158
-0.8134831460674158 x 100 = -81.35%