-66.1% is the change from 59 to 20
Calculation steps:
[( 20 - 59 ) ÷ 59] x 100 = -66.1%
Formula
Percentage change = [(20 - 59) / 59] x 100
Subtract the new number by the original number
20 - 59 = -39
-39 ÷ 59 = -0.6610169491525424
-0.6610169491525424 x 100 = -66.1%