70.98% is the change from 448 to 766
Calculation steps:
[( 766 - 448 ) ÷ 448] x 100 = 70.98%
Formula
Percentage change = [(766 - 448) / 448] x 100
Subtract the new number by the original number
766 - 448 = 318
318 ÷ 448 = 0.7098214285714286
0.7098214285714286 x 100 = 70.98%