76.88% is the change from 173 to 306
Calculation steps:
[( 306 - 173 ) ÷ 173] x 100 = 76.88%
Formula
Percentage change = [(306 - 173) / 173] x 100
Subtract the new number by the original number
306 - 173 = 133
133 ÷ 173 = 0.7687861271676301
0.7687861271676301 x 100 = 76.88%