313.46% is the change from 156 to 645
Calculation steps:
[( 645 - 156 ) ÷ 156] x 100 = 313.46%
Formula
Percentage change = [(645 - 156) / 156] x 100
Subtract the new number by the original number
645 - 156 = 489
489 ÷ 156 = 3.1346153846153846
3.1346153846153846 x 100 = 313.46%