40.24% is the change from 666 to 934
Calculation steps:
[( 934 - 666 ) ÷ 666] x 100 = 40.24%
Formula
Percentage change = [(934 - 666) / 666] x 100
Subtract the new number by the original number
934 - 666 = 268
268 ÷ 666 = 0.4024024024024024
0.4024024024024024 x 100 = 40.24%