287.28% is the change from 173 to 670
Calculation steps:
[( 670 - 173 ) ÷ 173] x 100 = 287.28%
Formula
Percentage change = [(670 - 173) / 173] x 100
Subtract the new number by the original number
670 - 173 = 497
497 ÷ 173 = 2.8728323699421967
2.8728323699421967 x 100 = 287.28%