-62.77% is the change from 650 to 242
Calculation steps:
[( 242 - 650 ) ÷ 650] x 100 = -62.77%
Formula
Percentage change = [(242 - 650) / 650] x 100
Subtract the new number by the original number
242 - 650 = -408
-408 ÷ 650 = -0.6276923076923077
-0.6276923076923077 x 100 = -62.77%