-3.7% is the change from 1000 to 963
Calculation steps:
[( 963 - 1000 ) ÷ 1000] x 100 = -3.7%
Formula
Percentage change = [(963 - 1000) / 1000] x 100
Subtract the new number by the original number
963 - 1000 = -37
-37 ÷ 1000 = -0.037
-0.037 x 100 = -3.7%