-63.72% is the change from 623 to 226
Calculation steps:
[( 226 - 623 ) ÷ 623] x 100 = -63.72%
Formula
Percentage change = [(226 - 623) / 623] x 100
Subtract the new number by the original number
226 - 623 = -397
-397 ÷ 623 = -0.637239165329053
-0.637239165329053 x 100 = -63.72%