180% is the change from 135 to 378
Calculation steps:
[( 378 - 135 ) ÷ 135] x 100 = 180%
Formula
Percentage change = [(378 - 135) / 135] x 100
Subtract the new number by the original number
378 - 135 = 243
243 ÷ 135 = 1.8
1.8 x 100 = 180%
Example