124.47% is the change from 421 to 945
Calculation steps:
[( 945 - 421 ) ÷ 421] x 100 = 124.47%
Formula
Percentage change = [(945 - 421) / 421] x 100
Subtract the new number by the original number
945 - 421 = 524
524 ÷ 421 = 1.2446555819477434
1.2446555819477434 x 100 = 124.47%