-58.78% is the change from 638 to 263
Calculation steps:
[( 263 - 638 ) ÷ 638] x 100 = -58.78%
Formula
Percentage change = [(263 - 638) / 638] x 100
Subtract the new number by the original number
263 - 638 = -375
-375 ÷ 638 = -0.5877742946708464
-0.5877742946708464 x 100 = -58.78%