69.73% is the change from 446 to 757
Calculation steps:
[( 757 - 446 ) ÷ 446] x 100 = 69.73%
Formula
Percentage change = [(757 - 446) / 446] x 100
Subtract the new number by the original number
757 - 446 = 311
311 ÷ 446 = 0.6973094170403588
0.6973094170403588 x 100 = 69.73%