-46.35% is the change from 397 to 213
Calculation steps:
[( 213 - 397 ) ÷ 397] x 100 = -46.35%
Formula
Percentage change = [(213 - 397) / 397] x 100
Subtract the new number by the original number
213 - 397 = -184
-184 ÷ 397 = -0.4634760705289673
-0.4634760705289673 x 100 = -46.35%