75.48% is the change from 155 to 272
Calculation steps:
[( 272 - 155 ) ÷ 155] x 100 = 75.48%
Formula
Percentage change = [(272 - 155) / 155] x 100
Subtract the new number by the original number
272 - 155 = 117
117 ÷ 155 = 0.7548387096774194
0.7548387096774194 x 100 = 75.48%