-61.64% is the change from 305 to 117
Calculation steps:
[( 117 - 305 ) ÷ 305] x 100 = -61.64%
Formula
Percentage change = [(117 - 305) / 305] x 100
Subtract the new number by the original number
117 - 305 = -188
-188 ÷ 305 = -0.6163934426229508
-0.6163934426229508 x 100 = -61.64%