-91.54% is the change from 615 to 52
Calculation steps:
[( 52 - 615 ) ÷ 615] x 100 = -91.54%
Formula
Percentage change = [(52 - 615) / 615] x 100
Subtract the new number by the original number
52 - 615 = -563
-563 ÷ 615 = -0.9154471544715447
-0.9154471544715447 x 100 = -91.54%