-30.07% is the change from 429 to 300
Calculation steps:
[( 300 - 429 ) ÷ 429] x 100 = -30.07%
Formula
Percentage change = [(300 - 429) / 429] x 100
Subtract the new number by the original number
300 - 429 = -129
-129 ÷ 429 = -0.3006993006993007
-0.3006993006993007 x 100 = -30.07%