-38.55% is the change from 345 to 212
Calculation steps:
[( 212 - 345 ) ÷ 345] x 100 = -38.55%
Formula
Percentage change = [(212 - 345) / 345] x 100
Subtract the new number by the original number
212 - 345 = -133
-133 ÷ 345 = -0.3855072463768116
-0.3855072463768116 x 100 = -38.55%