-53.81% is the change from 420 to 194
Calculation steps:
[( 194 - 420 ) ÷ 420] x 100 = -53.81%
Formula
Percentage change = [(194 - 420) / 420] x 100
Subtract the new number by the original number
194 - 420 = -226
-226 ÷ 420 = -0.5380952380952381
-0.5380952380952381 x 100 = -53.81%