70.68% is the change from 249 to 425
Calculation steps:
[( 425 - 249 ) ÷ 249] x 100 = 70.68%
Formula
Percentage change = [(425 - 249) / 249] x 100
Subtract the new number by the original number
425 - 249 = 176
176 ÷ 249 = 0.7068273092369478
0.7068273092369478 x 100 = 70.68%