196.48% is the change from 142 to 421
Calculation steps:
[( 421 - 142 ) ÷ 142] x 100 = 196.48%
Formula
Percentage change = [(421 - 142) / 142] x 100
Subtract the new number by the original number
421 - 142 = 279
279 ÷ 142 = 1.9647887323943662
1.9647887323943662 x 100 = 196.48%