-65.06% is the change from 415 to 145
Calculation steps:
[( 145 - 415 ) ÷ 415] x 100 = -65.06%
Formula
Percentage change = [(145 - 415) / 415] x 100
Subtract the new number by the original number
145 - 415 = -270
-270 ÷ 415 = -0.6506024096385542
-0.6506024096385542 x 100 = -65.06%