-62.2% is the change from 1000 to 378
Calculation steps:
[( 378 - 1000 ) ÷ 1000] x 100 = -62.2%
Formula
Percentage change = [(378 - 1000) / 1000] x 100
Subtract the new number by the original number
378 - 1000 = -622
-622 ÷ 1000 = -0.622
-0.622 x 100 = -62.2%