-78.17% is the change from 687 to 150
Calculation steps:
[( 150 - 687 ) ÷ 687] x 100 = -78.17%
Formula
Percentage change = [(150 - 687) / 687] x 100
Subtract the new number by the original number
150 - 687 = -537
-537 ÷ 687 = -0.7816593886462883
-0.7816593886462883 x 100 = -78.17%