-67.15% is the change from 615 to 202
Calculation steps:
[( 202 - 615 ) ÷ 615] x 100 = -67.15%
Formula
Percentage change = [(202 - 615) / 615] x 100
Subtract the new number by the original number
202 - 615 = -413
-413 ÷ 615 = -0.6715447154471544
-0.6715447154471544 x 100 = -67.15%