135.62% is the change from 73 to 172
Calculation steps:
[( 172 - 73 ) ÷ 73] x 100 = 135.62%
Formula
Percentage change = [(172 - 73) / 73] x 100
Subtract the new number by the original number
172 - 73 = 99
99 ÷ 73 = 1.356164383561644
1.356164383561644 x 100 = 135.62%