421.38% is the change from 145 to 756
Calculation steps:
[( 756 - 145 ) ÷ 145] x 100 = 421.38%
Formula
Percentage change = [(756 - 145) / 145] x 100
Subtract the new number by the original number
756 - 145 = 611
611 ÷ 145 = 4.213793103448276
4.213793103448276 x 100 = 421.38%