-63.4% is the change from 194 to 71
Calculation steps:
[( 71 - 194 ) ÷ 194] x 100 = -63.4%
Formula
Percentage change = [(71 - 194) / 194] x 100
Subtract the new number by the original number
71 - 194 = -123
-123 ÷ 194 = -0.634020618556701
-0.634020618556701 x 100 = -63.4%