20.61% is the change from 495 to 597
Calculation steps:
[( 597 - 495 ) ÷ 495] x 100 = 20.61%
Formula
Percentage change = [(597 - 495) / 495] x 100
Subtract the new number by the original number
597 - 495 = 102
102 ÷ 495 = 0.20606060606060606
0.20606060606060606 x 100 = 20.61%