188.36% is the change from 146 to 421
Calculation steps:
[( 421 - 146 ) ÷ 146] x 100 = 188.36%
Formula
Percentage change = [(421 - 146) / 146] x 100
Subtract the new number by the original number
421 - 146 = 275
275 ÷ 146 = 1.8835616438356164
1.8835616438356164 x 100 = 188.36%