-68.32% is the change from 423 to 134
Calculation steps:
[( 134 - 423 ) ÷ 423] x 100 = -68.32%
Formula
Percentage change = [(134 - 423) / 423] x 100
Subtract the new number by the original number
134 - 423 = -289
-289 ÷ 423 = -0.6832151300236406
-0.6832151300236406 x 100 = -68.32%