-2.98% is the change from 336 to 326
Calculation steps:
[( 326 - 336 ) ÷ 336] x 100 = -2.98%
Formula
Percentage change = [(326 - 336) / 336] x 100
Subtract the new number by the original number
326 - 336 = -10
-10 ÷ 336 = -0.02976190476190476
-0.02976190476190476 x 100 = -2.98%