70.45% is the change from 538 to 917
Calculation steps:
[( 917 - 538 ) ÷ 538] x 100 = 70.45%
Formula
Percentage change = [(917 - 538) / 538] x 100
Subtract the new number by the original number
917 - 538 = 379
379 ÷ 538 = 0.7044609665427509
0.7044609665427509 x 100 = 70.45%