186.21% is the change from 145 to 415
Calculation steps:
[( 415 - 145 ) ÷ 145] x 100 = 186.21%
Formula
Percentage change = [(415 - 145) / 145] x 100
Subtract the new number by the original number
415 - 145 = 270
270 ÷ 145 = 1.8620689655172413
1.8620689655172413 x 100 = 186.21%