-67.5% is the change from 1000 to 325
Calculation steps:
[( 325 - 1000 ) ÷ 1000] x 100 = -67.5%
Formula
Percentage change = [(325 - 1000) / 1000] x 100
Subtract the new number by the original number
325 - 1000 = -675
-675 ÷ 1000 = -0.675
-0.675 x 100 = -67.5%