169.64% is the change from 247 to 666
Calculation steps:
[( 666 - 247 ) ÷ 247] x 100 = 169.64%
Formula
Percentage change = [(666 - 247) / 247] x 100
Subtract the new number by the original number
666 - 247 = 419
419 ÷ 247 = 1.6963562753036436
1.6963562753036436 x 100 = 169.64%