-63.87% is the change from 620 to 224
Calculation steps:
[( 224 - 620 ) ÷ 620] x 100 = -63.87%
Formula
Percentage change = [(224 - 620) / 620] x 100
Subtract the new number by the original number
224 - 620 = -396
-396 ÷ 620 = -0.6387096774193548
-0.6387096774193548 x 100 = -63.87%