-38.84% is the change from 345 to 211
Calculation steps:
[( 211 - 345 ) ÷ 345] x 100 = -38.84%
Formula
Percentage change = [(211 - 345) / 345] x 100
Subtract the new number by the original number
211 - 345 = -134
-134 ÷ 345 = -0.3884057971014493
-0.3884057971014493 x 100 = -38.84%