-1.88% is the change from 213 to 209
Calculation steps:
[( 209 - 213 ) ÷ 213] x 100 = -1.88%
Formula
Percentage change = [(209 - 213) / 213] x 100
Subtract the new number by the original number
209 - 213 = -4
-4 ÷ 213 = -0.018779342723004695
-0.018779342723004695 x 100 = -1.88%