19.76% is the change from 415 to 497
Calculation steps:
[( 497 - 415 ) ÷ 415] x 100 = 19.76%
Formula
Percentage change = [(497 - 415) / 415] x 100
Subtract the new number by the original number
497 - 415 = 82
82 ÷ 415 = 0.19759036144578312
0.19759036144578312 x 100 = 19.76%