-16.87% is the change from 415 to 345
Calculation steps:
[( 345 - 415 ) ÷ 415] x 100 = -16.87%
Formula
Percentage change = [(345 - 415) / 415] x 100
Subtract the new number by the original number
345 - 415 = -70
-70 ÷ 415 = -0.1686746987951807
-0.1686746987951807 x 100 = -16.87%