70.82% is the change from 538 to 919
Calculation steps:
[( 919 - 538 ) ÷ 538] x 100 = 70.82%
Formula
Percentage change = [(919 - 538) / 538] x 100
Subtract the new number by the original number
919 - 538 = 381
381 ÷ 538 = 0.70817843866171
0.70817843866171 x 100 = 70.82%