-64.95% is the change from 311 to 109
Calculation steps:
[( 109 - 311 ) ÷ 311] x 100 = -64.95%
Formula
Percentage change = [(109 - 311) / 311] x 100
Subtract the new number by the original number
109 - 311 = -202
-202 ÷ 311 = -0.6495176848874598
-0.6495176848874598 x 100 = -64.95%