56.07% is the change from 173 to 270
Calculation steps:
[( 270 - 173 ) ÷ 173] x 100 = 56.07%
Formula
Percentage change = [(270 - 173) / 173] x 100
Subtract the new number by the original number
270 - 173 = 97
97 ÷ 173 = 0.5606936416184971
0.5606936416184971 x 100 = 56.07%