36.38% is the change from 668 to 911
Calculation steps:
[( 911 - 668 ) ÷ 668] x 100 = 36.38%
Formula
Percentage change = [(911 - 668) / 668] x 100
Subtract the new number by the original number
911 - 668 = 243
243 ÷ 668 = 0.36377245508982037
0.36377245508982037 x 100 = 36.38%