71.11% is the change from 180 to 308
Calculation steps:
[( 308 - 180 ) ÷ 180] x 100 = 71.11%
Formula
Percentage change = [(308 - 180) / 180] x 100
Subtract the new number by the original number
308 - 180 = 128
128 ÷ 180 = 0.7111111111111111
0.7111111111111111 x 100 = 71.11%