-65.2% is the change from 204 to 71
Calculation steps:
[( 71 - 204 ) ÷ 204] x 100 = -65.2%
Formula
Percentage change = [(71 - 204) / 204] x 100
Subtract the new number by the original number
71 - 204 = -133
-133 ÷ 204 = -0.6519607843137255
-0.6519607843137255 x 100 = -65.2%