-63.57% is the change from 420 to 153
Calculation steps:
[( 153 - 420 ) ÷ 420] x 100 = -63.57%
Formula
Percentage change = [(153 - 420) / 420] x 100
Subtract the new number by the original number
153 - 420 = -267
-267 ÷ 420 = -0.6357142857142857
-0.6357142857142857 x 100 = -63.57%