-78.99% is the change from 947 to 199
Calculation steps:
[( 199 - 947 ) ÷ 947] x 100 = -78.99%
Formula
Percentage change = [(199 - 947) / 947] x 100
Subtract the new number by the original number
199 - 947 = -748
-748 ÷ 947 = -0.7898627243928195
-0.7898627243928195 x 100 = -78.99%