61.94% is the change from 155 to 251
Calculation steps:
[( 251 - 155 ) ÷ 155] x 100 = 61.94%
Formula
Percentage change = [(251 - 155) / 155] x 100
Subtract the new number by the original number
251 - 155 = 96
96 ÷ 155 = 0.6193548387096774
0.6193548387096774 x 100 = 61.94%