1473.81% is the change from 42 to 661
Calculation steps:
[( 661 - 42 ) ÷ 42] x 100 = 1473.81%
Formula
Percentage change = [(661 - 42) / 42] x 100
Subtract the new number by the original number
661 - 42 = 619
619 ÷ 42 = 14.738095238095237
14.738095238095237 x 100 = 1473.81%