122.33% is the change from 421 to 936
Calculation steps:
[( 936 - 421 ) ÷ 421] x 100 = 122.33%
Formula
Percentage change = [(936 - 421) / 421] x 100
Subtract the new number by the original number
936 - 421 = 515
515 ÷ 421 = 1.2232779097387174
1.2232779097387174 x 100 = 122.33%