37.22% is the change from 446 to 612
Calculation steps:
[( 612 - 446 ) ÷ 446] x 100 = 37.22%
Formula
Percentage change = [(612 - 446) / 446] x 100
Subtract the new number by the original number
612 - 446 = 166
166 ÷ 446 = 0.3721973094170404
0.3721973094170404 x 100 = 37.22%