-76.5% is the change from 1000 to 235
Calculation steps:
[( 235 - 1000 ) ÷ 1000] x 100 = -76.5%
Formula
Percentage change = [(235 - 1000) / 1000] x 100
Subtract the new number by the original number
235 - 1000 = -765
-765 ÷ 1000 = -0.765
-0.765 x 100 = -76.5%