-21.63% is the change from 689 to 540
Calculation steps:
[( 540 - 689 ) ÷ 689] x 100 = -21.63%
Formula
Percentage change = [(540 - 689) / 689] x 100
Subtract the new number by the original number
540 - 689 = -149
-149 ÷ 689 = -0.216255442670537
-0.216255442670537 x 100 = -21.63%