42.12% is the change from 603 to 857
Calculation steps:
[( 857 - 603 ) ÷ 603] x 100 = 42.12%
Formula
Percentage change = [(857 - 603) / 603] x 100
Subtract the new number by the original number
857 - 603 = 254
254 ÷ 603 = 0.42122719734660036
0.42122719734660036 x 100 = 42.12%