-61.94% is the change from 423 to 161
Calculation steps:
[( 161 - 423 ) ÷ 423] x 100 = -61.94%
Formula
Percentage change = [(161 - 423) / 423] x 100
Subtract the new number by the original number
161 - 423 = -262
-262 ÷ 423 = -0.6193853427895981
-0.6193853427895981 x 100 = -61.94%