50.12% is the change from 429 to 644
Calculation steps:
[( 644 - 429 ) ÷ 429] x 100 = 50.12%
Formula
Percentage change = [(644 - 429) / 429] x 100
Subtract the new number by the original number
644 - 429 = 215
215 ÷ 429 = 0.5011655011655012
0.5011655011655012 x 100 = 50.12%