35.46% is the change from 612 to 829
Calculation steps:
[( 829 - 612 ) ÷ 612] x 100 = 35.46%
Formula
Percentage change = [(829 - 612) / 612] x 100
Subtract the new number by the original number
829 - 612 = 217
217 ÷ 612 = 0.3545751633986928
0.3545751633986928 x 100 = 35.46%