183.78% is the change from 148 to 420
Calculation steps:
[( 420 - 148 ) ÷ 148] x 100 = 183.78%
Formula
Percentage change = [(420 - 148) / 148] x 100
Subtract the new number by the original number
420 - 148 = 272
272 ÷ 148 = 1.837837837837838
1.837837837837838 x 100 = 183.78%