-33.05% is the change from 947 to 634
Calculation steps:
[( 634 - 947 ) ÷ 947] x 100 = -33.05%
Formula
Percentage change = [(634 - 947) / 947] x 100
Subtract the new number by the original number
634 - 947 = -313
-313 ÷ 947 = -0.33051742344244983
-0.33051742344244983 x 100 = -33.05%