-55.95% is the change from 420 to 185
Calculation steps:
[( 185 - 420 ) ÷ 420] x 100 = -55.95%
Formula
Percentage change = [(185 - 420) / 420] x 100
Subtract the new number by the original number
185 - 420 = -235
-235 ÷ 420 = -0.5595238095238095
-0.5595238095238095 x 100 = -55.95%