300% is the change from 37 to 148
Calculation steps:
[( 148 - 37 ) ÷ 37] x 100 = 300%
Formula
Percentage change = [(148 - 37) / 37] x 100
Subtract the new number by the original number
148 - 37 = 111
111 ÷ 37 = 3
3 x 100 = 300%
Example