312.74% is the change from 157 to 648
Calculation steps:
[( 648 - 157 ) ÷ 157] x 100 = 312.74%
Formula
Percentage change = [(648 - 157) / 157] x 100
Subtract the new number by the original number
648 - 157 = 491
491 ÷ 157 = 3.127388535031847
3.127388535031847 x 100 = 312.74%