86.49% is the change from 74 to 138
Calculation steps:
[( 138 - 74 ) ÷ 74] x 100 = 86.49%
Formula
Percentage change = [(138 - 74) / 74] x 100
Subtract the new number by the original number
138 - 74 = 64
64 ÷ 74 = 0.8648648648648649
0.8648648648648649 x 100 = 86.49%