344.71% is the change from 170 to 756
Calculation steps:
[( 756 - 170 ) ÷ 170] x 100 = 344.71%
Formula
Percentage change = [(756 - 170) / 170] x 100
Subtract the new number by the original number
756 - 170 = 586
586 ÷ 170 = 3.447058823529412
3.447058823529412 x 100 = 344.71%