-70.1% is the change from 204 to 61
Calculation steps:
[( 61 - 204 ) ÷ 204] x 100 = -70.1%
Formula
Percentage change = [(61 - 204) / 204] x 100
Subtract the new number by the original number
61 - 204 = -143
-143 ÷ 204 = -0.7009803921568627
-0.7009803921568627 x 100 = -70.1%