-60.68% is the change from 857 to 337
Calculation steps:
[( 337 - 857 ) ÷ 857] x 100 = -60.68%
Formula
Percentage change = [(337 - 857) / 857] x 100
Subtract the new number by the original number
337 - 857 = -520
-520 ÷ 857 = -0.6067677946324388
-0.6067677946324388 x 100 = -60.68%