-53.32% is the change from 647 to 302
Calculation steps:
[( 302 - 647 ) ÷ 647] x 100 = -53.32%
Formula
Percentage change = [(302 - 647) / 647] x 100
Subtract the new number by the original number
302 - 647 = -345
-345 ÷ 647 = -0.5332302936630603
-0.5332302936630603 x 100 = -53.32%