169.8% is the change from 245 to 661
Calculation steps:
[( 661 - 245 ) ÷ 245] x 100 = 169.8%
Formula
Percentage change = [(661 - 245) / 245] x 100
Subtract the new number by the original number
661 - 245 = 416
416 ÷ 245 = 1.6979591836734693
1.6979591836734693 x 100 = 169.8%