49.25% is the change from 67 to 100
Calculation steps:
[( 100 - 67 ) ÷ 67] x 100 = 49.25%
Formula
Percentage change = [(100 - 67) / 67] x 100
Subtract the new number by the original number
100 - 67 = 33
33 ÷ 67 = 0.4925373134328358
0.4925373134328358 x 100 = 49.25%