-64.95% is the change from 331 to 116
Calculation steps:
[( 116 - 331 ) ÷ 331] x 100 = -64.95%
Formula
Percentage change = [(116 - 331) / 331] x 100
Subtract the new number by the original number
116 - 331 = -215
-215 ÷ 331 = -0.649546827794562
-0.649546827794562 x 100 = -64.95%