-56.82% is the change from 491 to 212
Calculation steps:
[( 212 - 491 ) ÷ 491] x 100 = -56.82%
Formula
Percentage change = [(212 - 491) / 491] x 100
Subtract the new number by the original number
212 - 491 = -279
-279 ÷ 491 = -0.5682281059063137
-0.5682281059063137 x 100 = -56.82%