165.46% is the change from 249 to 661
Calculation steps:
[( 661 - 249 ) ÷ 249] x 100 = 165.46%
Formula
Percentage change = [(661 - 249) / 249] x 100
Subtract the new number by the original number
661 - 249 = 412
412 ÷ 249 = 1.6546184738955823
1.6546184738955823 x 100 = 165.46%