47.83% is the change from 437 to 646
Calculation steps:
[( 646 - 437 ) ÷ 437] x 100 = 47.83%
Formula
Percentage change = [(646 - 437) / 437] x 100
Subtract the new number by the original number
646 - 437 = 209
209 ÷ 437 = 0.4782608695652174
0.4782608695652174 x 100 = 47.83%