-65.98% is the change from 194 to 66
Calculation steps:
[( 66 - 194 ) ÷ 194] x 100 = -65.98%
Formula
Percentage change = [(66 - 194) / 194] x 100
Subtract the new number by the original number
66 - 194 = -128
-128 ÷ 194 = -0.6597938144329897
-0.6597938144329897 x 100 = -65.98%