-86.5% is the change from 452 to 61
Calculation steps:
[( 61 - 452 ) ÷ 452] x 100 = -86.5%
Formula
Percentage change = [(61 - 452) / 452] x 100
Subtract the new number by the original number
61 - 452 = -391
-391 ÷ 452 = -0.8650442477876106
-0.8650442477876106 x 100 = -86.5%