187.67% is the change from 146 to 420
Calculation steps:
[( 420 - 146 ) ÷ 146] x 100 = 187.67%
Formula
Percentage change = [(420 - 146) / 146] x 100
Subtract the new number by the original number
420 - 146 = 274
274 ÷ 146 = 1.8767123287671232
1.8767123287671232 x 100 = 187.67%