-86.3% is the change from 387 to 53
Calculation steps:
[( 53 - 387 ) ÷ 387] x 100 = -86.3%
Formula
Percentage change = [(53 - 387) / 387] x 100
Subtract the new number by the original number
53 - 387 = -334
-334 ÷ 387 = -0.8630490956072352
-0.8630490956072352 x 100 = -86.3%