109.15% is the change from 153 to 320
Calculation steps:
[( 320 - 153 ) ÷ 153] x 100 = 109.15%
Formula
Percentage change = [(320 - 153) / 153] x 100
Subtract the new number by the original number
320 - 153 = 167
167 ÷ 153 = 1.091503267973856
1.091503267973856 x 100 = 109.15%