125.83% is the change from 271 to 612
Calculation steps:
[( 612 - 271 ) ÷ 271] x 100 = 125.83%
Formula
Percentage change = [(612 - 271) / 271] x 100
Subtract the new number by the original number
612 - 271 = 341
341 ÷ 271 = 1.2583025830258303
1.2583025830258303 x 100 = 125.83%