-67.05% is the change from 947 to 312
Calculation steps:
[( 312 - 947 ) ÷ 947] x 100 = -67.05%
Formula
Percentage change = [(312 - 947) / 947] x 100
Subtract the new number by the original number
312 - 947 = -635
-635 ÷ 947 = -0.6705385427666315
-0.6705385427666315 x 100 = -67.05%