33.55% is the change from 155 to 207
Calculation steps:
[( 207 - 155 ) ÷ 155] x 100 = 33.55%
Formula
Percentage change = [(207 - 155) / 155] x 100
Subtract the new number by the original number
207 - 155 = 52
52 ÷ 155 = 0.33548387096774196
0.33548387096774196 x 100 = 33.55%