301.91% is the change from 157 to 631
Calculation steps:
[( 631 - 157 ) ÷ 157] x 100 = 301.91%
Formula
Percentage change = [(631 - 157) / 157] x 100
Subtract the new number by the original number
631 - 157 = 474
474 ÷ 157 = 3.0191082802547773
3.0191082802547773 x 100 = 301.91%