-63.7% is the change from 1000 to 363
Calculation steps:
[( 363 - 1000 ) ÷ 1000] x 100 = -63.7%
Formula
Percentage change = [(363 - 1000) / 1000] x 100
Subtract the new number by the original number
363 - 1000 = -637
-637 ÷ 1000 = -0.637
-0.637 x 100 = -63.7%