-79.93% is the change from 284 to 57
Calculation steps:
[( 57 - 284 ) ÷ 284] x 100 = -79.93%
Formula
Percentage change = [(57 - 284) / 284] x 100
Subtract the new number by the original number
57 - 284 = -227
-227 ÷ 284 = -0.7992957746478874
-0.7992957746478874 x 100 = -79.93%