-62.1% is the change from 1000 to 379
Calculation steps:
[( 379 - 1000 ) ÷ 1000] x 100 = -62.1%
Formula
Percentage change = [(379 - 1000) / 1000] x 100
Subtract the new number by the original number
379 - 1000 = -621
-621 ÷ 1000 = -0.621
-0.621 x 100 = -62.1%