-30.14% is the change from 647 to 452
Calculation steps:
[( 452 - 647 ) ÷ 647] x 100 = -30.14%
Formula
Percentage change = [(452 - 647) / 647] x 100
Subtract the new number by the original number
452 - 647 = -195
-195 ÷ 647 = -0.30139103554868624
-0.30139103554868624 x 100 = -30.14%