-82.76% is the change from 615 to 106
Calculation steps:
[( 106 - 615 ) ÷ 615] x 100 = -82.76%
Formula
Percentage change = [(106 - 615) / 615] x 100
Subtract the new number by the original number
106 - 615 = -509
-509 ÷ 615 = -0.8276422764227642
-0.8276422764227642 x 100 = -82.76%