-36.19% is the change from 420 to 268
Calculation steps:
[( 268 - 420 ) ÷ 420] x 100 = -36.19%
Formula
Percentage change = [(268 - 420) / 420] x 100
Subtract the new number by the original number
268 - 420 = -152
-152 ÷ 420 = -0.3619047619047619
-0.3619047619047619 x 100 = -36.19%