-25% is the change from 284 to 213
Calculation steps:
[( 213 - 284 ) ÷ 284] x 100 = -25%
Formula
Percentage change = [(213 - 284) / 284] x 100
Subtract the new number by the original number
213 - 284 = -71
-71 ÷ 284 = -0.25
-0.25 x 100 = -25%
Example