450% is the change from 142 to 781
Calculation steps:
[( 781 - 142 ) ÷ 142] x 100 = 450%
Formula
Percentage change = [(781 - 142) / 142] x 100
Subtract the new number by the original number
781 - 142 = 639
639 ÷ 142 = 4.5
4.5 x 100 = 450%
Example