-90.34% is the change from 207 to 20
Calculation steps:
[( 20 - 207 ) ÷ 207] x 100 = -90.34%
Formula
Percentage change = [(20 - 207) / 207] x 100
Subtract the new number by the original number
20 - 207 = -187
-187 ÷ 207 = -0.9033816425120773
-0.9033816425120773 x 100 = -90.34%