-35.44% is the change from 663 to 428
Calculation steps:
[( 428 - 663 ) ÷ 663] x 100 = -35.44%
Formula
Percentage change = [(428 - 663) / 663] x 100
Subtract the new number by the original number
428 - 663 = -235
-235 ÷ 663 = -0.35444947209653094
-0.35444947209653094 x 100 = -35.44%