-68.09% is the change from 94 to 30
Calculation steps:
[( 30 - 94 ) ÷ 94] x 100 = -68.09%
Formula
Percentage change = [(30 - 94) / 94] x 100
Subtract the new number by the original number
30 - 94 = -64
-64 ÷ 94 = -0.6808510638297872
-0.6808510638297872 x 100 = -68.09%