-58.84% is the change from 639 to 263
Calculation steps:
[( 263 - 639 ) ÷ 639] x 100 = -58.84%
Formula
Percentage change = [(263 - 639) / 639] x 100
Subtract the new number by the original number
263 - 639 = -376
-376 ÷ 639 = -0.5884194053208138
-0.5884194053208138 x 100 = -58.84%