-35.04% is the change from 959 to 623
Calculation steps:
[( 623 - 959 ) ÷ 959] x 100 = -35.04%
Formula
Percentage change = [(623 - 959) / 959] x 100
Subtract the new number by the original number
623 - 959 = -336
-336 ÷ 959 = -0.35036496350364965
-0.35036496350364965 x 100 = -35.04%