-29.52% is the change from 857 to 604
Calculation steps:
[( 604 - 857 ) ÷ 857] x 100 = -29.52%
Formula
Percentage change = [(604 - 857) / 857] x 100
Subtract the new number by the original number
604 - 857 = -253
-253 ÷ 857 = -0.2952158693115519
-0.2952158693115519 x 100 = -29.52%