143.7% is the change from 270 to 658
Calculation steps:
[( 658 - 270 ) ÷ 270] x 100 = 143.7%
Formula
Percentage change = [(658 - 270) / 270] x 100
Subtract the new number by the original number
658 - 270 = 388
388 ÷ 270 = 1.4370370370370371
1.4370370370370371 x 100 = 143.7%