-65.9% is the change from 1000 to 341
Calculation steps:
[( 341 - 1000 ) ÷ 1000] x 100 = -65.9%
Formula
Percentage change = [(341 - 1000) / 1000] x 100
Subtract the new number by the original number
341 - 1000 = -659
-659 ÷ 1000 = -0.659
-0.659 x 100 = -65.9%