-57.96% is the change from 647 to 272
Calculation steps:
[( 272 - 647 ) ÷ 647] x 100 = -57.96%
Formula
Percentage change = [(272 - 647) / 647] x 100
Subtract the new number by the original number
272 - 647 = -375
-375 ÷ 647 = -0.5795981452859351
-0.5795981452859351 x 100 = -57.96%