-40.17% is the change from 346 to 207
Calculation steps:
[( 207 - 346 ) ÷ 346] x 100 = -40.17%
Formula
Percentage change = [(207 - 346) / 346] x 100
Subtract the new number by the original number
207 - 346 = -139
-139 ÷ 346 = -0.40173410404624277
-0.40173410404624277 x 100 = -40.17%