69.7% is the change from 538 to 913
Calculation steps:
[( 913 - 538 ) ÷ 538] x 100 = 69.7%
Formula
Percentage change = [(913 - 538) / 538] x 100
Subtract the new number by the original number
913 - 538 = 375
375 ÷ 538 = 0.6970260223048327
0.6970260223048327 x 100 = 69.7%