15.38% is the change from 494 to 570
Calculation steps:
[( 570 - 494 ) ÷ 494] x 100 = 15.38%
Formula
Percentage change = [(570 - 494) / 494] x 100
Subtract the new number by the original number
570 - 494 = 76
76 ÷ 494 = 0.15384615384615385
0.15384615384615385 x 100 = 15.38%