-59.8% is the change from 1000 to 402
Calculation steps:
[( 402 - 1000 ) ÷ 1000] x 100 = -59.8%
Formula
Percentage change = [(402 - 1000) / 1000] x 100
Subtract the new number by the original number
402 - 1000 = -598
-598 ÷ 1000 = -0.598
-0.598 x 100 = -59.8%