55.45% is the change from 431 to 670
Calculation steps:
[( 670 - 431 ) ÷ 431] x 100 = 55.45%
Formula
Percentage change = [(670 - 431) / 431] x 100
Subtract the new number by the original number
670 - 431 = 239
239 ÷ 431 = 0.5545243619489559
0.5545243619489559 x 100 = 55.45%