-65.69% is the change from 647 to 222
Calculation steps:
[( 222 - 647 ) ÷ 647] x 100 = -65.69%
Formula
Percentage change = [(222 - 647) / 647] x 100
Subtract the new number by the original number
222 - 647 = -425
-425 ÷ 647 = -0.6568778979907264
-0.6568778979907264 x 100 = -65.69%