-2.76% is the change from 615 to 598
Calculation steps:
[( 598 - 615 ) ÷ 615] x 100 = -2.76%
Formula
Percentage change = [(598 - 615) / 615] x 100
Subtract the new number by the original number
598 - 615 = -17
-17 ÷ 615 = -0.027642276422764227
-0.027642276422764227 x 100 = -2.76%