354.23% is the change from 142 to 645
Calculation steps:
[( 645 - 142 ) ÷ 142] x 100 = 354.23%
Formula
Percentage change = [(645 - 142) / 142] x 100
Subtract the new number by the original number
645 - 142 = 503
503 ÷ 142 = 3.5422535211267605
3.5422535211267605 x 100 = 354.23%