-36.13% is the change from 346 to 221
Calculation steps:
[( 221 - 346 ) ÷ 346] x 100 = -36.13%
Formula
Percentage change = [(221 - 346) / 346] x 100
Subtract the new number by the original number
221 - 346 = -125
-125 ÷ 346 = -0.36127167630057805
-0.36127167630057805 x 100 = -36.13%