33% is the change from 100 to 133
Calculation steps:
[( 133 - 100 ) ÷ 100] x 100 = 33%
Formula
Percentage change = [(133 - 100) / 100] x 100
Subtract the new number by the original number
133 - 100 = 33
33 ÷ 100 = 0.33
0.33 x 100 = 33%
Example