379.26% is the change from 135 to 647
Calculation steps:
[( 647 - 135 ) ÷ 135] x 100 = 379.26%
Formula
Percentage change = [(647 - 135) / 135] x 100
Subtract the new number by the original number
647 - 135 = 512
512 ÷ 135 = 3.7925925925925927
3.7925925925925927 x 100 = 379.26%