1497.62% is the change from 42 to 671
Calculation steps:
[( 671 - 42 ) ÷ 42] x 100 = 1497.62%
Formula
Percentage change = [(671 - 42) / 42] x 100
Subtract the new number by the original number
671 - 42 = 629
629 ÷ 42 = 14.976190476190476
14.976190476190476 x 100 = 1497.62%