-34.66% is the change from 857 to 560
Calculation steps:
[( 560 - 857 ) ÷ 857] x 100 = -34.66%
Formula
Percentage change = [(560 - 857) / 857] x 100
Subtract the new number by the original number
560 - 857 = -297
-297 ÷ 857 = -0.34655775962660446
-0.34655775962660446 x 100 = -34.66%