-1.84% is the change from 217 to 213
Calculation steps:
[( 213 - 217 ) ÷ 217] x 100 = -1.84%
Formula
Percentage change = [(213 - 217) / 217] x 100
Subtract the new number by the original number
213 - 217 = -4
-4 ÷ 217 = -0.018433179723502304
-0.018433179723502304 x 100 = -1.84%