645.24% is the change from 42 to 313
Calculation steps:
[( 313 - 42 ) ÷ 42] x 100 = 645.24%
Formula
Percentage change = [(313 - 42) / 42] x 100
Subtract the new number by the original number
313 - 42 = 271
271 ÷ 42 = 6.4523809523809526
6.4523809523809526 x 100 = 645.24%