-21.73% is the change from 336 to 263
Calculation steps:
[( 263 - 336 ) ÷ 336] x 100 = -21.73%
Formula
Percentage change = [(263 - 336) / 336] x 100
Subtract the new number by the original number
263 - 336 = -73
-73 ÷ 336 = -0.21726190476190477
-0.21726190476190477 x 100 = -21.73%