54.35% is the change from 138 to 213
Calculation steps:
[( 213 - 138 ) ÷ 138] x 100 = 54.35%
Formula
Percentage change = [(213 - 138) / 138] x 100
Subtract the new number by the original number
213 - 138 = 75
75 ÷ 138 = 0.5434782608695652
0.5434782608695652 x 100 = 54.35%