-56.52% is the change from 207 to 90
Calculation steps:
[( 90 - 207 ) ÷ 207] x 100 = -56.52%
Formula
Percentage change = [(90 - 207) / 207] x 100
Subtract the new number by the original number
90 - 207 = -117
-117 ÷ 207 = -0.5652173913043478
-0.5652173913043478 x 100 = -56.52%