-70.6% is the change from 687 to 202
Calculation steps:
[( 202 - 687 ) ÷ 687] x 100 = -70.6%
Formula
Percentage change = [(202 - 687) / 687] x 100
Subtract the new number by the original number
202 - 687 = -485
-485 ÷ 687 = -0.7059679767103348
-0.7059679767103348 x 100 = -70.6%