-53.17% is the change from 647 to 303
Calculation steps:
[( 303 - 647 ) ÷ 647] x 100 = -53.17%
Formula
Percentage change = [(303 - 647) / 647] x 100
Subtract the new number by the original number
303 - 647 = -344
-344 ÷ 647 = -0.5316846986089645
-0.5316846986089645 x 100 = -53.17%