-33.49% is the change from 415 to 276
Calculation steps:
[( 276 - 415 ) ÷ 415] x 100 = -33.49%
Formula
Percentage change = [(276 - 415) / 415] x 100
Subtract the new number by the original number
276 - 415 = -139
-139 ÷ 415 = -0.3349397590361446
-0.3349397590361446 x 100 = -33.49%