-78.89% is the change from 687 to 145
Calculation steps:
[( 145 - 687 ) ÷ 687] x 100 = -78.89%
Formula
Percentage change = [(145 - 687) / 687] x 100
Subtract the new number by the original number
145 - 687 = -542
-542 ÷ 687 = -0.7889374090247453
-0.7889374090247453 x 100 = -78.89%