79.55% is the change from 538 to 966
Calculation steps:
[( 966 - 538 ) ÷ 538] x 100 = 79.55%
Formula
Percentage change = [(966 - 538) / 538] x 100
Subtract the new number by the original number
966 - 538 = 428
428 ÷ 538 = 0.7955390334572491
0.7955390334572491 x 100 = 79.55%