-23.62% is the change from 999 to 763
Calculation steps:
[( 763 - 999 ) ÷ 999] x 100 = -23.62%
Formula
Percentage change = [(763 - 999) / 999] x 100
Subtract the new number by the original number
763 - 999 = -236
-236 ÷ 999 = -0.23623623623623624
-0.23623623623623624 x 100 = -23.62%