-54% is the change from 687 to 316
Calculation steps:
[( 316 - 687 ) ÷ 687] x 100 = -54%
Formula
Percentage change = [(316 - 687) / 687] x 100
Subtract the new number by the original number
316 - 687 = -371
-371 ÷ 687 = -0.5400291120815138
-0.5400291120815138 x 100 = -54%