-94.42% is the change from 663 to 37
Calculation steps:
[( 37 - 663 ) ÷ 663] x 100 = -94.42%
Formula
Percentage change = [(37 - 663) / 663] x 100
Subtract the new number by the original number
37 - 663 = -626
-626 ÷ 663 = -0.9441930618401206
-0.9441930618401206 x 100 = -94.42%