50% is the change from 470 to 705
Calculation steps:
[( 705 - 470 ) ÷ 470] x 100 = 50%
Formula
Percentage change = [(705 - 470) / 470] x 100
Subtract the new number by the original number
705 - 470 = 235
235 ÷ 470 = 0.5
0.5 x 100 = 50%
Example