-57.08% is the change from 664 to 285
Calculation steps:
[( 285 - 664 ) ÷ 664] x 100 = -57.08%
Formula
Percentage change = [(285 - 664) / 664] x 100
Subtract the new number by the original number
285 - 664 = -379
-379 ÷ 664 = -0.5707831325301205
-0.5707831325301205 x 100 = -57.08%