-30.73% is the change from 423 to 293
Calculation steps:
[( 293 - 423 ) ÷ 423] x 100 = -30.73%
Formula
Percentage change = [(293 - 423) / 423] x 100
Subtract the new number by the original number
293 - 423 = -130
-130 ÷ 423 = -0.3073286052009456
-0.3073286052009456 x 100 = -30.73%