36.77% is the change from 155 to 212
Calculation steps:
[( 212 - 155 ) ÷ 155] x 100 = 36.77%
Formula
Percentage change = [(212 - 155) / 155] x 100
Subtract the new number by the original number
212 - 155 = 57
57 ÷ 155 = 0.36774193548387096
0.36774193548387096 x 100 = 36.77%