42.23% is the change from 573 to 815
Calculation steps:
[( 815 - 573 ) ÷ 573] x 100 = 42.23%
Formula
Percentage change = [(815 - 573) / 573] x 100
Subtract the new number by the original number
815 - 573 = 242
242 ÷ 573 = 0.4223385689354276
0.4223385689354276 x 100 = 42.23%