-68.49% is the change from 311 to 98
Calculation steps:
[( 98 - 311 ) ÷ 311] x 100 = -68.49%
Formula
Percentage change = [(98 - 311) / 311] x 100
Subtract the new number by the original number
98 - 311 = -213
-213 ÷ 311 = -0.684887459807074
-0.684887459807074 x 100 = -68.49%