134.38% is the change from 64 to 150
Calculation steps:
[( 150 - 64 ) ÷ 64] x 100 = 134.38%
Formula
Percentage change = [(150 - 64) / 64] x 100
Subtract the new number by the original number
150 - 64 = 86
86 ÷ 64 = 1.34375
1.34375 x 100 = 134.38%
Example