34.38% is the change from 573 to 770
Calculation steps:
[( 770 - 573 ) ÷ 573] x 100 = 34.38%
Formula
Percentage change = [(770 - 573) / 573] x 100
Subtract the new number by the original number
770 - 573 = 197
197 ÷ 573 = 0.343804537521815
0.343804537521815 x 100 = 34.38%