-56.29% is the change from 485 to 212
Calculation steps:
[( 212 - 485 ) ÷ 485] x 100 = -56.29%
Formula
Percentage change = [(212 - 485) / 485] x 100
Subtract the new number by the original number
212 - 485 = -273
-273 ÷ 485 = -0.5628865979381443
-0.5628865979381443 x 100 = -56.29%