42.11% is the change from 665 to 945
Calculation steps:
[( 945 - 665 ) ÷ 665] x 100 = 42.11%
Formula
Percentage change = [(945 - 665) / 665] x 100
Subtract the new number by the original number
945 - 665 = 280
280 ÷ 665 = 0.42105263157894735
0.42105263157894735 x 100 = 42.11%