-52.45% is the change from 856 to 407
Calculation steps:
[( 407 - 856 ) ÷ 856] x 100 = -52.45%
Formula
Percentage change = [(407 - 856) / 856] x 100
Subtract the new number by the original number
407 - 856 = -449
-449 ÷ 856 = -0.5245327102803738
-0.5245327102803738 x 100 = -52.45%