-31.14% is the change from 623 to 429
Calculation steps:
[( 429 - 623 ) ÷ 623] x 100 = -31.14%
Formula
Percentage change = [(429 - 623) / 623] x 100
Subtract the new number by the original number
429 - 623 = -194
-194 ÷ 623 = -0.3113964686998395
-0.3113964686998395 x 100 = -31.14%