-65.5% is the change from 687 to 237
Calculation steps:
[( 237 - 687 ) ÷ 687] x 100 = -65.5%
Formula
Percentage change = [(237 - 687) / 687] x 100
Subtract the new number by the original number
237 - 687 = -450
-450 ÷ 687 = -0.6550218340611353
-0.6550218340611353 x 100 = -65.5%