-67.19% is the change from 951 to 312
Calculation steps:
[( 312 - 951 ) ÷ 951] x 100 = -67.19%
Formula
Percentage change = [(312 - 951) / 951] x 100
Subtract the new number by the original number
312 - 951 = -639
-639 ÷ 951 = -0.6719242902208202
-0.6719242902208202 x 100 = -67.19%