-58.46% is the change from 857 to 356
Calculation steps:
[( 356 - 857 ) ÷ 857] x 100 = -58.46%
Formula
Percentage change = [(356 - 857) / 857] x 100
Subtract the new number by the original number
356 - 857 = -501
-501 ÷ 857 = -0.5845974329054843
-0.5845974329054843 x 100 = -58.46%