-12.38% is the change from 420 to 368
Calculation steps:
[( 368 - 420 ) ÷ 420] x 100 = -12.38%
Formula
Percentage change = [(368 - 420) / 420] x 100
Subtract the new number by the original number
368 - 420 = -52
-52 ÷ 420 = -0.12380952380952381
-0.12380952380952381 x 100 = -12.38%