-49.15% is the change from 59 to 30
Calculation steps:
[( 30 - 59 ) ÷ 59] x 100 = -49.15%
Formula
Percentage change = [(30 - 59) / 59] x 100
Subtract the new number by the original number
30 - 59 = -29
-29 ÷ 59 = -0.4915254237288136
-0.4915254237288136 x 100 = -49.15%