-71.89% is the change from 217 to 61
Calculation steps:
[( 61 - 217 ) ÷ 217] x 100 = -71.89%
Formula
Percentage change = [(61 - 217) / 217] x 100
Subtract the new number by the original number
61 - 217 = -156
-156 ÷ 217 = -0.7188940092165899
-0.7188940092165899 x 100 = -71.89%