145.7% is the change from 186 to 457
Calculation steps:
[( 457 - 186 ) ÷ 186] x 100 = 145.7%
Formula
Percentage change = [(457 - 186) / 186] x 100
Subtract the new number by the original number
457 - 186 = 271
271 ÷ 186 = 1.456989247311828
1.456989247311828 x 100 = 145.7%