-51.22% is the change from 859 to 419
Calculation steps:
[( 419 - 859 ) ÷ 859] x 100 = -51.22%
Formula
Percentage change = [(419 - 859) / 859] x 100
Subtract the new number by the original number
419 - 859 = -440
-440 ÷ 859 = -0.5122235157159488
-0.5122235157159488 x 100 = -51.22%