-75.56% is the change from 847 to 207
Calculation steps:
[( 207 - 847 ) ÷ 847] x 100 = -75.56%
Formula
Percentage change = [(207 - 847) / 847] x 100
Subtract the new number by the original number
207 - 847 = -640
-640 ÷ 847 = -0.755608028335301
-0.755608028335301 x 100 = -75.56%