-71.78% is the change from 645 to 182
Calculation steps:
[( 182 - 645 ) ÷ 645] x 100 = -71.78%
Formula
Percentage change = [(182 - 645) / 645] x 100
Subtract the new number by the original number
182 - 645 = -463
-463 ÷ 645 = -0.7178294573643411
-0.7178294573643411 x 100 = -71.78%