-47.2% is the change from 1000 to 528
Calculation steps:
[( 528 - 1000 ) ÷ 1000] x 100 = -47.2%
Formula
Percentage change = [(528 - 1000) / 1000] x 100
Subtract the new number by the original number
528 - 1000 = -472
-472 ÷ 1000 = -0.472
-0.472 x 100 = -47.2%