-34.39% is the change from 945 to 620
Calculation steps:
[( 620 - 945 ) ÷ 945] x 100 = -34.39%
Formula
Percentage change = [(620 - 945) / 945] x 100
Subtract the new number by the original number
620 - 945 = -325
-325 ÷ 945 = -0.3439153439153439
-0.3439153439153439 x 100 = -34.39%