36.93% is the change from 612 to 838
Calculation steps:
[( 838 - 612 ) ÷ 612] x 100 = 36.93%
Formula
Percentage change = [(838 - 612) / 612] x 100
Subtract the new number by the original number
838 - 612 = 226
226 ÷ 612 = 0.369281045751634
0.369281045751634 x 100 = 36.93%