-67.1% is the change from 687 to 226
Calculation steps:
[( 226 - 687 ) ÷ 687] x 100 = -67.1%
Formula
Percentage change = [(226 - 687) / 687] x 100
Subtract the new number by the original number
226 - 687 = -461
-461 ÷ 687 = -0.6710334788937409
-0.6710334788937409 x 100 = -67.1%