-66.94% is the change from 859 to 284
Calculation steps:
[( 284 - 859 ) ÷ 859] x 100 = -66.94%
Formula
Percentage change = [(284 - 859) / 859] x 100
Subtract the new number by the original number
284 - 859 = -575
-575 ÷ 859 = -0.6693830034924331
-0.6693830034924331 x 100 = -66.94%