72.13% is the change from 445 to 766
Calculation steps:
[( 766 - 445 ) ÷ 445] x 100 = 72.13%
Formula
Percentage change = [(766 - 445) / 445] x 100
Subtract the new number by the original number
766 - 445 = 321
321 ÷ 445 = 0.7213483146067415
0.7213483146067415 x 100 = 72.13%