-33.99% is the change from 406 to 268
Calculation steps:
[( 268 - 406 ) ÷ 406] x 100 = -33.99%
Formula
Percentage change = [(268 - 406) / 406] x 100
Subtract the new number by the original number
268 - 406 = -138
-138 ÷ 406 = -0.3399014778325123
-0.3399014778325123 x 100 = -33.99%