-62.38% is the change from 311 to 117
Calculation steps:
[( 117 - 311 ) ÷ 311] x 100 = -62.38%
Formula
Percentage change = [(117 - 311) / 311] x 100
Subtract the new number by the original number
117 - 311 = -194
-194 ÷ 311 = -0.6237942122186495
-0.6237942122186495 x 100 = -62.38%