397.76% is the change from 134 to 667
Calculation steps:
[( 667 - 134 ) ÷ 134] x 100 = 397.76%
Formula
Percentage change = [(667 - 134) / 134] x 100
Subtract the new number by the original number
667 - 134 = 533
533 ÷ 134 = 3.9776119402985075
3.9776119402985075 x 100 = 397.76%