-63.55% is the change from 620 to 226
Calculation steps:
[( 226 - 620 ) ÷ 620] x 100 = -63.55%
Formula
Percentage change = [(226 - 620) / 620] x 100
Subtract the new number by the original number
226 - 620 = -394
-394 ÷ 620 = -0.635483870967742
-0.635483870967742 x 100 = -63.55%