293.45% is the change from 168 to 661
Calculation steps:
[( 661 - 168 ) ÷ 168] x 100 = 293.45%
Formula
Percentage change = [(661 - 168) / 168] x 100
Subtract the new number by the original number
661 - 168 = 493
493 ÷ 168 = 2.9345238095238093
2.9345238095238093 x 100 = 293.45%