345.09% is the change from 173 to 770
Calculation steps:
[( 770 - 173 ) ÷ 173] x 100 = 345.09%
Formula
Percentage change = [(770 - 173) / 173] x 100
Subtract the new number by the original number
770 - 173 = 597
597 ÷ 173 = 3.4508670520231215
3.4508670520231215 x 100 = 345.09%