-35.08% is the change from 955 to 620
Calculation steps:
[( 620 - 955 ) ÷ 955] x 100 = -35.08%
Formula
Percentage change = [(620 - 955) / 955] x 100
Subtract the new number by the original number
620 - 955 = -335
-335 ÷ 955 = -0.3507853403141361
-0.3507853403141361 x 100 = -35.08%