40% is the change from 190 to 266
Calculation steps:
[( 266 - 190 ) ÷ 190] x 100 = 40%
Formula
Percentage change = [(266 - 190) / 190] x 100
Subtract the new number by the original number
266 - 190 = 76
76 ÷ 190 = 0.4
0.4 x 100 = 40%
Example