-32.56% is the change from 390 to 263
Calculation steps:
[( 263 - 390 ) ÷ 390] x 100 = -32.56%
Formula
Percentage change = [(263 - 390) / 390] x 100
Subtract the new number by the original number
263 - 390 = -127
-127 ÷ 390 = -0.32564102564102565
-0.32564102564102565 x 100 = -32.56%