38.46% is the change from 130 to 180
Calculation steps:
[( 180 - 130 ) ÷ 130] x 100 = 38.46%
Formula
Percentage change = [(180 - 130) / 130] x 100
Subtract the new number by the original number
180 - 130 = 50
50 ÷ 130 = 0.38461538461538464
0.38461538461538464 x 100 = 38.46%